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Archive for the ‘Bugs’ Category

Almost giant spider web

Posted in Bugs, Insects, Macro Photography, Nature, Photography, tagged , , , , , on October 26, 2012| 7 Comments »

A few days I posted a photo of a giant spider web (which one blogger said looked to be big enough to catch a dog) processed in a couple of different ways. I received lots of helpful comments about adjustments that I made or didn’t make. With those comments in mind, I worked on this photo of a different web that I photographed earlier in October. It’s not quite as big as the previous one, but is in better condition and the spider is still present. The web was suspended between two cattails and I had enough room to set up my tripod on the boardwalk that runs through the marsh, so hopefully my shot is pretty clear (although I confess that manual focusing is still a challenge for me). I may work on some more variations of this photo, but here is my initial effort.

So what do you think of this spider web (click on it to see a higher resolution view)?

Almost giant spider web with spider

© Michael Q. Powell. All rights reserved.

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Monarch butterfly in early October

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, tagged , , , , , on October 25, 2012| 6 Comments »

I was going over some photos from earlier this month and came across these photos of a Monarch butterfly. I remember how excited I was when I shot them and decided to share a few of them. Early in the summer I took lots of photos of swallowtails, but I longed to photograph a Monarch butterfly. The first few that I saw flew away before I could raise my camera. Eventually, I managed to get some decent shots, but my pulse still quickens whenever I see a Monarch. Other insects may be cool or interesting or unusual, but for me there is nothing that really matches the beauty and elegance of a Monarch butterfly.

© Michael Q. Powell. All rights reserved.

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Giant spider web

Posted in Art, Bugs, Insects, Macro Photography, Nature, Photography, tagged , , , , , , on October 23, 2012| 18 Comments »

I was really happy when I came across this large dew-covered spider web early one morning this past weekend. I am not sure exactly how big it was, but I think it was probably about 18-24 inches across, with an amazing number of rows, especially at the bottom part that is fully intact.

I processed the same photo in two ways to get different looks. In the first photo, I desaturated most of the color to try to draw attention to the strands of the web (and you should click on the photo to get a somewhat higher resolution view of the web). In the second photo, I tried to punch up the colors a bit by increasing the vibrance and saturation settings.

Which one do you think works best?

Spider web (mostly desaturated)

Spider web (increased vibrance)

© Michael Q. Powell. All rights reserved.

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Autumnal praying mantis

Posted in Bugs, Insects, Macro Photography, Nature, Photography, Portraits, wildlife, tagged , , , , , on October 23, 2012| 5 Comments »

Out of the corner of my eye, I noticed something fly past me and land on a nearby leaf. At first I thought it was a big dragonfly (my peripheral vision is not that great), but closer examination revealed that it was a praying mantis.

Earlier in the summer I spotted my first praying mantis “in the wild,” but it moved away as I was getting my camera ready—I was hoping to avoid the same fate this time around. As I tried to frame a shot, I realized that praying mantises are not easy to shoot. Their bodies are so long and skinny that it’s hard to fit them into a photo, especially when there is heavy vegetation that prevents an unobstructed view. I finally managed to find a narrow visual pathway through the branches that resulted in this shot.

It almost looks like the praying mantis is impatiently posing for me, with its tilted head and inquisitive facial expression. The eyes are wonderful too—they seem to be expressive. The orange tones of the leaves in both the foreground and the background help to give this portrait of a praying mantis an autumnal feel.

Praying mantis in the fall

© Michael Q. Powell. All rights reserved.

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Spider returns in time for Halloween

Posted in Bugs, Insects, Macro Photography, Nature, Photography, wildlife, tagged , , , , , , , on October 21, 2012| 5 Comments »

Throughout much of the summer I posted photos Black and Yellow Garden Orbweaver spiders (Argiope aurantia). Having not spotted one in several weeks,  that they were gone until next year. I was happy to be wrong, however, and photographed one yesterday. I was even more delighted that the background colors work well for autumn and for Halloween (and nothing says Halloween more than a creepy spider).

Autumn spider

© Michael Q. Powell. All rights reserved.

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An insect mascot for Halloween?

Posted in Bugs, Humor, Insects, Macro Photography, Nature, Photography, tagged , , , , , , on October 19, 2012| 6 Comments »

Does Halloween have an official insect mascot? Maybe we need an election, since it seems to be season for campaigning.

When I first saw this photo of a Cattail caterpillar (Simyra insularis) that I took a week ago, I was struck by the fact that its black and orange colors seemed perfectly appropriate for Halloween. (In a previous posting about this species, it was the pattern of the caterpillar that was its most notable feature.)

Does anyone else have a viable candidate? If so, post your photos and let’s make this a race!

Vote for me to be the official insect mascot for Halloween

© Michael Q. Powell. All rights reserved.

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Autumn Meadowhawk dragonfly

Posted in Bugs, Insects, Macro Photography, Nature, Photography, wildlife, tagged , , , , , , on October 17, 2012| 6 Comments »

As the weather has cooled off, there have been fewer and fewer dragonflies buzzing around in the marsh area. Occasionally I see a Common Whitetail dragonfly, but that has been pretty much it. This past weekend, however, I encountered some new, colorful dragonflies that I am pretty sure are Autumn Meadowhawk dragonflies (Sympetrum vicinum).

It was relatively early in the morning when some fellow photographers pointed out an orange-colored dragonfly perched on some leaves. According to their information, the dragonfly was unlikely to move until the temperature rose to about 70 degrees. I wasn’t so sure about their calculations and so I hastened to take some shots with my 55-250mm zoom lens. Here is an overall shot to give you an idea what an Autumn Meadhawk looks like (the sun was a bright and I couldn’t shield it so there are some unfortunate hot spots).

Autumn Meadowhawk dragonfly

Once I had a record shot, I became a bit bolder and decided to try my 100mm macro lens. The major problem I had was that the dragonfly was about a foot below me and about two feet away from me (I was on a raised boardwalk), so holding the lens steady was a problem. I did get a couple of close-up shots, like this one. I am always amazed when you can see the little hairs on a dragonfly’s “face.”

Close-up shot of Autumn Meadowhawk dragonfly

There were still some harsh shadows and hotspots, so I decided to use my collapsible diffuser to soften the light. Unfortunately, the dragonfly must have thought I was a predator, because it flew away as soon as I cast a shadow on it with the diffuser. Later that day, however, I encountered the Autumn Meadowhawks several times, but they refused to perch on plants, preferring to land on the boardwalk. Feeling a little frustrated, I took some shots of them on the boardwalk and ended up with the following image that I like, even if it’s not exactly a “natural” environment.

Autumn Meadowhawk dragonfly on the boardwalk

I am not sure how long these dragonflies will hang around, but it is nice seeing some new species as the seasons change, an unexpected bonus for me this past weekend.

© Michael Q. Powell. All rights reserved.

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Illuminated grasshopper

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, Portraits, tagged , , , , , on October 17, 2012| 3 Comments »

It’s the middle of October and grasshoppers are still hopping, though it seems that there are fewer of them than a month ago. This grasshopper was willing to stay still long enough to pose for this informal portrait. The sunlight was coming from the side and the back, helping to illuminate the underside of the grasshopper that is usually in the shadows and there is a nice glow to the grasshopper. I like the effect.

Illuminated fall grasshopper

© Michael Q. Powell. All rights reserved.

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Spider web in the grass

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, tagged , , , , , , , on October 15, 2012| 2 Comments »

Have you ever woken up on a fall morning and noticed the dewy grass and bushes littered with spider webs? I don’t mean the beautiful geometric-patterned webs of the orb-weaving spiders, but webs that appear to be nothing more than loosely woven sheets of spider silk. Normally I don’t give them a second glance, but one morning this weekend I stopped and looked at one of them more closely.

Close-up of web in the grass

I discovered a beautiful little world, filled with tiny beads of water, captured by the threads of the web. I think the spider is a grass spider of the genus Agelenopsis. Wikipedia notes that the webs of grass spiders are not sticky, but the spiders makes up for that by being able to run really quickly.

Here is a view of an entire web through a telephoto lens. I was on a walkway several feet above ground-level when I took the shots, so I was not able to get actual close-up shots. The photo is not a very good one, but it gives you an idea of how nondescript the web looked at first glance.

Web in the grass

© Michael Q. Powell. All rights reserved.

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Early morning spider web

Posted in Art, Bugs, Insects, Macro Photography, Nature, Photography, tagged , , , , , , , , on October 13, 2012| 6 Comments »

The large yellow-and-black spiders (Argiope aurantia) that I have observed throughout the summer seem to have disappeared. I was hoping to see the egg sacs that they produce in the fall, but I guess I’ll have to wait until next year.

However, there must be spiders still around, because early yesterday morning there were quite a few dew-covered spider webs. Last month I did a couple of postings about webs at the same location at Huntley Meadows Park (see Amazing Spider Webs and More Spider Art), but I am so fascinated by the individuality of the webs that I thought I’d post one from yesterday (and I think there might be a few more shots coming). I do not know how the spiders figure out the designs of the webs, but it seems that there is creativity involved in fitting a web into a specific spot, even if there is a “standard” pattern for different varieties of spiders.

This web was located behind the railing of a little bridge that crosses part of the marsh land and joins two sections of a boardwalk. I was shooting into the sun that was still very low in the sky. The sunlight reflecting on one side of the railing suggests that I was not facing directly east. but was angled a little. Behind the web is a field of cattails, though you can’t really see any details.

Spider webs are like snowflakes for me (and it won’t be too long before we see them again). At first they all may seem to be the same, but when you take the time to look more closely at them, you realize each is unique. People are like that too.

Early morning spider web

© Michael Q. Powell. All rights reserved.

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Insect interaction

Posted in Bugs, Flowers, Gardening, Humor, Insects, Macro Photography, Nature, Photography, tagged , , , , , , , on October 10, 2012| 1 Comment »

I am always fascinated whenever I happen to capture two different insects in a single image, especially when they appear to be interacting. A bee flew onto a flowering plant and appears to be having a conversation with a daddy longlegs (aka harvestman) that was already there. Does one of them look at the other as a potential prey? Are they sharing information? Is one asking the other out on a date?

Can you hear me now?

Insect interaction

© Michael Q. Powell. All rights reserved.

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Barcode caterpillar

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, tagged , , , , , , on October 7, 2012| 7 Comments »

Some of my friends of Facebook think that I make up the name of some of the insects whose pictures I post. After all, can there really be an insect called the Handsome Meadow Katydid? Normally, the official names are so strange that there is no need to invent new ones.

Today, however, I decided to  make up a name for a caterpillar that my friend Cindy Dyer helped me identify earlier in the summer, when I did a posting entitled Patterned Caterpillar. The caterpillar’s real name is a Cattail caterpillar (Simyra insularis) and I photographed it this weekend at Huntley Meadows Park in Alexandria, VA.

This caterpillar’s black-and-white patterns are such a perfect match for those ubiquitous markings found on all products that I want to rename it as the Barcode caterpillar.  What would register if you scanned this caterpillar at the checkout counter at a store?

Cattail caterpillar (Simyra insularis)

© Michael Q. Powell. All rights reserved.

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Wrong lens, right decision

Posted in Bugs, Flowers, Gardening, Insects, Nature, Photography, tagged , , , , , on October 7, 2012| 4 Comments »

The day was winding down as I retraced my steps back to entrance of Green Spring Gardens, when I caught a glimpse of a Spotted Cucumber beetle (Diabrotica undecimpunctata). My initial instinct was to switch from my 55-250mm telephoto zoom lens  to my 100mm macro lens so that I could fill the frame with this colorful little insect on a single flower.

I was tired and a little impatient, so I decided to photograph the beetle with the “wrong” lens. In retrospect, I am happy that I made that decision, because I ended up with an image that I really like. Yes, the beetle is still there, but the shape and positions of individual buds of the flower are what make this image stand out for me.

What did I learn? I realize that I need to consciously question my initial instincts and consider shooting a usual subject in an unusual way. I can’t always rely on fatigue to be the causative factor for a good result.

Spotted Cucumber beetle on red flower

© Michael Q. Powell. All rights reserved.

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Monarch and a lady on yellow flowers

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, wildlife, tagged , , , , , , , , on October 6, 2012| 3 Comments »

We continue to fade to brown, with only muted color changes as the leaves begin to fall from the tree. As if to compensate for the lack of spectacular foliage, brightly colored flowers are still blooming. I managed to get some shots of equally colorful insects interacting with yellow flowers. When I see Monarch butterflies (Danaus plexxipus), they are usually in the midst of blooming flowers, but I was surprised to also see a shiny red ladybug near the center of a yellow flower.

Monarch butterfly on yellow flower

Ladybug on yellow flower

© Michael Q. Powell. All rights reserved.

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Nature’s own Cirque du Soleil

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, wildlife, tagged , , , , , , on October 4, 2012| 6 Comments »

Several years ago I saw one of the Cirque du Soleil productions, an event full of dazzling costumes and amazing acrobatic feats. Memories of that unforgettable experience were triggered when I first viewed this photo of another Handsome Meadow Katydid (Orchelimum pulchellum) at Huntley Meadows Park. I have previously posted a number of different images of this very photogenic insect, but this one shows my beautiful friend in action, rather than in a static pose.

Acrobatic Handsome Meadow Katydid

I recall how the acrobats of the Cirque du Soleil were suspended high in mid-air, holding on (often with what seemed to be a single toe) to a trapeze or to a slender rope. My little katydid is not risking his life in that way, but I do find it amazing how he is clinging to the single stalk of grass. His brilliant colors continue to amaze me and the red blotches on his face accentuate the circus-like effect, as you can see in this close-up view of his face.

Close-up view of a Handsome Meadow Katydid

I will be a little sad when I stop seeing my colorful little friends at Huntley Meadows Park, but the memories will remain. Perhaps  in the future, some brightly colored object or acrobatic pose will trigger memories of these katydids, nature’s own Cirque du Soleil.

© Michael Q. Powell. All rights reserved.

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Outside my front door

Posted in Bugs, Insects, Macro Photography, Nature, Photography, wildlife, tagged , , , , , on October 3, 2012| 6 Comments »

As I was reaching down one recent morning to pick up my newspaper from the small concrete stoop of my townhouse, I happened to look up and saw a beautiful spider web reflected in the early morning sun. In the center of the web was a small, fuzzy brown spider with what appeared to be short legs.

The spider was positioned in such a way that I could use my macro lens to get some close-up shots, but he was too high in the air for me to use a tripod or to brace my arms for optimal steadiness.  I also did not have a choice of too many angles, because the spider was suspended over a large bush that impeded my access. I took a lot of photos, many of which came out really out of focus.

Here are my favorite shots, two of which show the underside of the spider and two show a side view. I really like the markings and texture of this little spider, though I am not at all sure what kind he is. The unidentified spider is living proof, however, that the most interesting things are sometimes literally just outside our front door—all we have to do is open our eyes as we open the door.

© Michael Q. Powell. All rights reserved.

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Green-eyed Eastern Carpenter bee

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, tagged , , , , , , , on October 1, 2012| 3 Comments »

It was a dark and cloudy afternoon and the rain was threatening to start at any moment (and eventually did). Even my usual grasshoppers and spiders seemed to have disappeared from sight. I was losing hope that I would find anything interesting to photograph when I stumbled upon a large bee on a bright yellow plant.

It looked like a carpenter bee, but the eyes were unusually light in color. I am pretty sure that it is an Eastern Carpenter bee (Xylocopa virginica) and the white patch on the face indicates that it is a male. There are other photos on-line of carpenter bees with green eyes, but I am not sure how common it is to find one like this. I don’t recall ever seeing one like it before.

Male Eastern Carpenter bee

© Michael Q. Powell. All rights reserved.

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Wheel bug

Posted in Bugs, Flowers, Gardening, Insects, Nature, Photography, wildlife, tagged , , , , on September 29, 2012| 9 Comments »

Wandering yesterday through the marshy area of Huntley Meadows Park, I spotted a large bug perched near the top of one of the cattails. I could not really see for sure what it was and it flew away as soon as I took one photo. When I opened the image on my computer, I saw that I had captured an image of a strange-looking bug that seemed to have the blade of a circular saw embedded in its back.

It did not take much of a search on the internet for me to discover that it is a wheel bug (Arilus cristatus). The University of Florida Entomology Department website notes that the wheel bug is an assassin bug that administers a very painful bite, described as worse than the bite of a bee, wasp, or hornet. Wheel bug saliva contains a toxic, paralytic substance that immobilizes and kills its victims (caterpillars, bees, aphids, and other insects) usually within 15 to 30 seconds after injection.

Personally, I think this insect looks like a miniature dinosaur or something out of a low-budget science fiction movie. In any case, it is certainly one of the strangest looking creatures that I have ever encountered.

Wheel bug surveys the situation from a cattail

© Michael Q. Powell. All rights reserved.

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Mating damselflies

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, wildlife, tagged , , , , , , on September 28, 2012| 4 Comments »

Damseflies are really small and if they were not brightly colored, they would be difficult to see. However, when there are two of them flying together (really together), they are slightly easier to detect. Anatomically speaking, I am having a little trouble figuring how the mating takes place with the damselflies as pictured below, but suffice it to say that damselflies are more flexible and acrobatic than I had previously thought.

I took these shots this afternoon at Huntley Meadows Park in Alexandria, VA.  Getting a decent image was a bit of a challenge because I was shooting from a raised boardwalk almost two feet above the water level and the damselflies keep landing on vegetation that was just in the shadows underneath the boardwalk. As a result, my position sometimes resembled that of the lighter-colored damselfly.

Close-up of mating damselflies

Mating damselflies

Acrobatic mating damselflies

© Michael Q. Powell. All rights reserved.

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Colorful fall caterpillar

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, wildlife, tagged , , , , , , , on September 26, 2012| 1 Comment »

The bright green leaves of the plants in the marsh have faded and most of the colors are more subdued than in early summer. Against that muted backdrop, I was surprised to come across a brightly colored caterpillar this past weekend. It looks a bit like the Cattail Caterpillar (Simyra insularis) that I photographed and described earlier this year, although the spiky red tufts are more extreme on this caterpillar. I think I can detect the prominent black and white pattern that was so visible in the image that I posted previously.

This is the first year that I have paid close attention to the cyclical changes in plants, animals, birds, and insects. I am excited to see what new species will come into my field of vision as we move through the fall.

UPDATE: I did a little more research and now think that this caterpillar is actually a Smeared Dagger Moth caterpillar (Acronicta oblinita).

Colorful caterpillar in late September

© Michael Q. Powell. All rights reserved.

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Ol’ Blue Eyes is Back

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, tagged , , , , on September 24, 2012| 11 Comments »

I still can’t get over the striking blue eyes of a Handsome Meadow Katydid (Orchelimum pulchellum), so I am posting a shot from yesterday that highlights that feature (and my apologies to Frank Sinatra for borrowing the title of his 1973 album for this post).

The katydid almost seemed to be looking right up at me, perhaps wondering why I am disturbing him. I find the details of his feet to be utterly fascinating and I’ve made sure that you can see some of the many neon-like colors of his body.

Check out some of my other postings if this is your first encounter with this gorgeous katydid. You’re almost certain to fall in love with him too.

Ol’ Blue Eyes (Handsome Meadow Katydid)

© Michael Q. Powell. All rights reserved.

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Dewdrop spider

Posted in Bugs, Insects, Macro Photography, Nature, Photography, tagged , , , , , , , on September 23, 2012| 7 Comments »

Last week I did a posting entitled “Kleptoparasitic Spider“ that talked of the little spiders that hang around a larger spider’s web and steal or feed on the prey captured by the other spider. Today I managed to take a much clearer shot of one such spider. I am pretty sure the little spider below is of the genus Argyrodes, which are also known as dewdrop spiders.

The spider was positioned in such a way that I was able to get close enough to use my 100mm macro lens, although there was not really enough room for me to shoot with a tripod. I was able to close down only to F10 because I was shooting handheld and wanted to have a shutter speed of 1/200 sec, so depth of field suffered a little. I have found that depth of field is a problem with spiders most of the time because of the length and positioning of their legs.

This spider was really tiny and I am happy that I was able to get this good a photo of it. The portions of the web that are visible help to add an interesting geometric pattern to the background, which I think enhances the image.

Dewdrop spider (genus Agyrodes)

© Michael Q. Powell. All rights reserved.

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A common day

Posted in Bugs, Flowers, Gardening, Insects, Nature, Photography, wildlife, tagged , , , , , on September 22, 2012| 7 Comments »

Yesterday was a common day for finding subjects to photograph. I already posted a photo of a Common Whitetail dragonfly. Here’s a photo of the Common Buckeye butterfly (Junonia coenia).

A month ago I featured the Common Buckeye in a posting after my first encounter with this type of butterfly. Yesterday I was shooting in the middle of the day and there was more sunlight that I would have liked when. However, I managed to get a shot of the butterfly in which the sun is shining through one of its wings, highlighting the beauty of those wings. There are still some harsh shadows in the photo and the colors are not as saturated as they would have been with more diffused light, but I find that the colors and patterns of this butterfly make it uncommonly beautiful.

Common Buckeye butterfly in mid-September

© Michael Q. Powell. All rights reserved.

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Bluet damselfly

Posted in Bugs, Insects, Macro Photography, Photography, wildlife, tagged , , , , , , on September 22, 2012| 4 Comments »

The length and small size of damselflies make then a challenge for me to photograph clearly. Moreover, it is my experience that they rarely choose to land in places where I can isolate them against an uncluttered background. Yesterday I was fortunate when this Bluet damselfly perched near the end of an interesting budded branch overhanging the water and I managed to get a shot that I like.

Bluets are a whole group of damselflies of the genus Enallagma that often are very difficult to identify down to the species level, so I don’t feel back that I can’t decide whether or not this is an Atlantic bluet or an American bluet or some other kind. Apparently the only way to tell them apart is to capture them and examine them with a magnifying glass. In my case, I am not sure a magnifying glass would help.

I am thinking of buying a guide to dragonflies and damselflies that I can study during the winter so that I’ll be better prepared next year to identify more correctly some of the subjects that I shoot (and I love to photograph dragonflies and damselflies, challenges notwithstanding.

Bluet damselfly in mid-September

© Michael Q. Powell. All rights reserved.

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Butterfly in the woods

Posted in Bugs, Insects, Macro Photography, Nature, Photography, wildlife, tagged , , , , , , , on September 20, 2012| 4 Comments »

My day began with a brightly colored Monarch butterfly in a field of flowers and is ending with the more subdued colors of an Appalachian Brown butterfly (Lethe appalachia) perched on a tree. Together they provide us with some sense of the diversity of the coloration and habitats of butterflies. (I confess that I am not certain of the identification of the brown butterfly, because there are a number of species that are pretty similar.)

Perhaps you like to stand out from the crowd and the gaudy colors of the Monarch are more your style.  Maybe you prefer to blend in a little better like the Appalachian Brown and find its colors and patterns to be more refined and dignified.

Whatever your taste, there is almost certainly a butterfly that fits you and I encourage to join me in chasing the butterflies through the woods, the gardens, and the meadows.

Appalachian Brown butterfly in early September

© Michael Q. Powell. All rights reserved.

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Fall colors

Posted in Bugs, Flowers, Gardening, Nature, Photography, wildlife, tagged , , , , , , on September 20, 2012| 3 Comments »

Growing up in New England, I used to love this time of the year, when the fall foliage featured brilliant displays of red, orange, and yellow. I now live outside of Washington, D.C. and somehow the colors don’t seem as intense (and the colors change a lot later in the fall season). Sometimes, it seems that we simply fade to brown.

I was thrilled earlier this week to find relief from the fading fall colors when a flash of bright orange grabbed my attention. Somehow I thought it was too late in the season and that the weather was too cool for butterflies, but I was wrong. A Monarch butterfly, in all of his brilliant glory, was busily at work, flitting from flower to flower.

This fall I probably will not see the amazing oranges and yellow leaves of my childhood memories. The presence of  those same fall colors in the wings of a butterfly, however, help to trigger those memories. Isn’t it amazing how certain sights, sounds, colors, or smells can transport us back to a different time and a different place?

Monarch butterfly in mid-September

© Michael Q. Powell. All rights reserved.

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Spider feeding on captured prey

Posted in Bugs, Macro Photography, Nature, Photography, wildlife, tagged , , , , , , , , , on September 19, 2012| 5 Comments »

Recently I have become fascinated with spiders, and in particular the Black and Yellow Garden Orbweaver spiders (Argiope aurantia). I’ve spent an amazing amount of time observing them and their webs. Already I have posted photos of the spiders themselves, their webs, and several types of prey that they have captured and wrapped in silk.

This past Monday I observed what I think was a spider actually feeding on a victim that I can’t quite identify. For some reason I used to think that spiders ate solid food, but now I understand that they have a mostly liquid diet. According to an article at earthlife.net, the mouth parts of these spiders have a serrated edge to cut into the prey and a filtering edge covered in fine hairs that prevents solid particles from entering the spider’s mouth. This filtering system is so fine that only particles smaller than 1 micron (0.001 of a mm) can pass through. The spider’s venom has enzymes which can help liquify the insides of a victim and the spider may also excrete digestive juices onto the victim. Spiders then have a sucking stomach that helps them ingest the liquids.

Argiope aurantia feeding on captured prey

Sharp-eyed viewers will notice that I rotated the image 90 degrees counterclockwise to make it easier to see what is going on. Note the positions of some of the spider’s legs as she cradles her victim. If you click on the image, you will get a higher-resolution view of the spider. My apologies if I have been too graphic in describing this spider’s digestive process.

© Michael Q. Powell. All rights reserved.

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Portrait of a grasshopper

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, Portraits, wildlife, tagged , , , on September 19, 2012| 4 Comments »

It’s only a grasshopper, not an exotic insect, but I really like the way that his portrait turned out.

The grasshopper’s pose suggests that he is ready for action and his slightly cocked head helps to give him personality. I was able to get sufficient depth of field and sharpness by using an F8 aperture, ISO 200,  and 1/200 sec and by moving in a bit from the far end of my telephoto zoom (I was at 229mm of a 55-250mm lens). Both the foreground and the background are simple and are made up of a minimum of colors, mostly green and brown. The day was mostly cloudy, so the shadows are soft.

All these elements seemed to work in harmony and I was able to produce this nice, open-air portrait of a grasshopper.

Grasshopper portrait (click for a higher-resolution view)

© Michael Q. Powell. All rights reserved.

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Kleptoparasitic spider

Posted in Bugs, Flowers, Gardening, Insects, Macro Photography, Nature, Photography, wildlife, tagged , , , , , , on September 18, 2012| 10 Comments »

I have repeatedly observed a small spider or two hanging around the periphery of the web of the large Yellow Garden Orbweaver spiders (Argiope aurantia) that I have been photographing recently. Initially I thought it might be the male of the species, which is considerably smaller than the female, but when I finally took a clear enough photo of one of these small spiders, I realized it was a different species.

My research suggests that this is a kleptoparasitic spider. Let me explain. It may sound like I’m trying to sound like a scientist, but “kleptoparasitism” is a single word that captures the idea that this spider steals or feed on the prey captured by another spider. According to Wikipedia, kleptoparasitic spiders occur in five different families and I am pretty sure the little spider below is of the genus Argyrodes, which are also called dewdrop spiders.

Kleptoparastic spider eyes another spider’s catch

Let me set the scene for you. The much larger Yellow Garden Orbweaver spider caught what looks like a bee and returned to the center of the web, leaving the wrapped bee on the periphery. The little spider moved in and appears to be checking out this potential new food source. Compare the relative size of the spider and the bee—the spider is tiny. That made it tougher to get a clear shot of both the spider and the captured bee. My shot is far from perfect, but it does allow you to see some of the details (and you can get a higher resolution view if you click on the image).

It seems to me that the little spider plays a risky game, living with (and maybe stealing food from) a larger, more dangerous spider. Maybe he’s a thrill-seeker, an adrenaline junkie who enjoys living in a state of constant danger.

© Michael Q. Powell. All rights reserved.

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Early dinner with a Monarch

Posted in Bugs, Gardening, Humor, Insects, Macro Photography, Nature, Photography, tagged , , , , , , on September 17, 2012| 4 Comments »

If you ever get invited to dinner by a Monarch caterpillar, you know what will be on the menu—milkweed. Monarch caterpillars consume amazing quantities of milkweed (and nothing else), growing over 2,000 times their original mass during this 14-day phase of their lives, according to Rick Steinau.

Almost everything you read emphasizes that milkweed is toxic to humans (and to animals), but scienceviews.com notes that native peoples all over the United States and southern Canada used milkweed for fiber, food, and medicine. The article warns that milkweed may be toxic “when taken internally without sufficient preparation.” It is especially fascinating to read of the medicinal uses of the plant. It was used to treat backaches and bee stings, to induce postpartum milk flow, and to deal with a variety of stomach problems. The Meskwaki tribe, according to the article cited above, even used milkweed as a contraceptive, that worked by producing temporary sterility.

Milkweed, however, contains cardiac glycosides that are poisonous to humans and livestock, but also may account for its medicinal effect.  Symptoms of poisoning by the cardiac glycosides include dullness, weakness, bloating, inability to stand or walk, high body temperature, rapid and weak pulse, difficulty breathing, dilated pupils, spasms, and coma. (It sounds a lot like being in love!)

I don’t care how well Monarch caterpillars can prepare milkweed, if they invite me over for dinner, I think I’ll probably refrain from eating and just watch them eat (as I did this past weekend). I love Monarch butterflies in all their forms. Nevertheless, I would take my cue from the artist Meat Loaf, who sang, “I would do anything for love, but I won’t do that.”

Monarch caterpillar feeding on milkweed

© Michael Q. Powell. All rights reserved.

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Fall Bee

Posted in Bugs, Flowers, Gardening, Insects, Nature, Photography, wildlife, tagged , , , , , on September 17, 2012| Leave a Comment »

The weather is getting cooler and it’s getting darker earlier, but it’s nice to see that there are still lots of insects around to photograph. Here’s a recent shot of a bee, still busily at work in mid-September.

Bee in mid-September

© Michael Q. Powell. All rights reserved.

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