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Blog Archives
Mating Treehoppers
~4mm body | September 29, 2012 | Roswell, Ga, USA
These mating treehoppers (Acutalis brunnea) picked a good place to get together, at least from a photographer’s perspective. I like the composition of this full frame image, but there’s so many different ways I could crop it.
Here’s a closer look at the pair.
Cropped view
I’ve stared at the full size image, but I can’t decide which one is male and which one is female.
Posted in Featured Photos
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Black-Dotted Ruddy / Holly Looper
Being National Moth Week, I have every excuse to post about one of my favorite subjects. Admittedly, I get more excited about caterpillars, but I enjoy seeing the moths that most of them become.
Back at the end of April, I was distracted by something while going to check the mailbox. Actually, I’m often distracted any time I venture into my yard, but that’s kind of the point of having one for me. Anyway, some large hollies form a hedge along part of my driveway. I spotted a caterpillar dropping from from the holly to the ivy beneath it. I grabbed it for a closer look and started scanning the holly for others. I quickly found another one and brought them inside for rearing. Less than a month later, I was rewarded with a Black-Dotted Ruddy, Ilecta intractata.
Posted in Featured Creatures
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Striped Anole, Displaying
April 23, 2012 | Arikok National Park, Aruba
The Striped Anole, Anolis lineatus, was probably the species of lizard I most encountered in Aruba. I assume the common and scientific names refer to those dark broken lateral stripes, but it’s known locally as Waltaka.
Here’s another one, a female perhaps.
Female? Or a young male?
My earlier post of the lizard on a tree is also one.
After a good bit of googling, I came across a good free resource on the reptiles and amphibians of Aruba, link below.
Reference:
Amphibians and Reptiles of Aruba
by R. Andrew Odum
PDF hosted at WildAruba
Posted in Featured Photos
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Leafrolling Mystery Caterpillar
20mm | April 5, 2012 | Twelvestones, Roswell, GA, USA
Earlier this month I was checking for anything interesting in my backyard when I came across this caterpillar in a rolled up leaf on viburnum. I decided to try and rear it to get an identification.
It turns out it was a final instar because it pupated beneath its leaf within a week, sometime around the 9th.
Pupa within leaf shelter
I removed the pupa from its webbing for some cleaner shots.
11mm | Underside of pupa
Dorsolateral view
I checked daily for the adult, but sadly it eclosed while I was away on vacation, sometime around the 20th give or take a few days. When I got back I found a dead and beat up adult. I prefer live images of a fresh adult that I can release later, but I’ll take what I can get here I guess.
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Identification Challenge #14 Reveal: Arched Hooktip
27mm wide | March 24, 2012 | Twelvestones, Roswell, GA, USA
No one commented on the latest identification challenge. Despite showing just the tip of the forewing, the image provided showed the distinctive feature of a subfamily of moths commonly called hooktip moths. If you got that far, it’s a pretty simple process of elimination since there are only a handful of North American species, each one easily distinguished from the other. This species is the Arched Hooktip, Drepana arcuata.
This individual appears to be a male, based on the widely bipectinate antennae.
Posted in Identification Challenges
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Jumping Spider with Hooked Chelicerae
5mm body | July 8, 2011 | Victorio Siqueroli Park, Uberlandia, Minas Gerais, Brazil
This attractive male jumping spider has some interesting hooks on his chelicerae. Take a closer look at this crop from the image above.
Hooked chelicerae
He really has a lot going on colorwise as well. I imagine those banded front legs might be used in some sort of courtship ritual. One has to wonder if and when those hooks come into play though.
Dorsal view
Posted in Featured Photos
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Male Wandering Spider
January 20, 2011 | Armonia Nature Preserve, Limon Province, Costa Rica
This wandering spider in the family Ctenidae was spotted at the base of a large tree.
The large palps leave no doubt that this is a male.
Palps indicate a male
The eye arrangement was my first clue to the family. They also have a deep groove along the mid-line of the carapace, called a fovea, just barely visible in these photos.
I wasn’t able to identify this one any further than family. It’s quite a large spider though. The body measured 25mm (~1″) and with legs it was around 80mm (~3″).
Some species of Ctenidae have a nasty reputation. Suspecting at the time that this was a Ctenid, I kept a respectful distance.
Posted in Featured Photos
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Hammerhead Fly
7mm | January 19, 2011 | Armonia Nature Preserve, Limon Province, Costa Rica
I spotted this little fly on the underside of a large leaf. I was really thrilled to find something so unusual. I probably spent about a half hour chasing it around from one perch to another. Luckily, it always flew just a short distance.
Dorsal view
I had heard of antler flies before, and I figured this was a good candidate to be one. Initial internet searches using that phrase didn’t turn up anything though. On a whim I tried searching for “hammerhead fly” since that seemed like an obvious common name for this fly. That turned out to be a good guess, and I found lots of similar looking images of Richardia telescopica in the family Richardiidae. I’ve been unable to eliminate the possibility of similar looking species. If not for that uncertainty, I’d have made this into an identification challenge.
Posted in Featured Photos
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Yellow-headed Gecko
January 19, 2011 | Armonia Nature Preserve, Limon Province, Costa Rica
This species, Gonatodes albigularis, can usually be found on surfaces two to three meters above the ground. Not surprisingly then, I spotted this male just above eye-level on the side of a tree, shortly after dark.
Male coloration as shown here is distinctive among Costa Rican lizards. Interestingly though, coloration changes after dark. The head darkens a bit and the body lightens somewhat. Both still remain distinct from each other. What you see above then is the night color phase, or perhaps a transitional phase between the two. Males also have that white-tipped tail.
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Golden Silk Spiders, Mating
January 19, 2011 | Armonia Nature Preserve, Limon Province, Costa Rica
When I first spotted this female Nephila clavipes, she was positioned rather low in her web. Her background was cluttered and shaded. I prodded her a few times, and as I’d hoped, she retreated to a higher position in her web where I thought I might be able to get a more pleasing background.
Unexpectedly, her quick movements drew the attention of a male that was also hanging out in her vicinity. I’ve read that males prefer to mate when the female is preoccupied with a meal (so they’re less likely to become a meal themselves). Perhaps he mistook her quick retreat as movement toward prey. At any rate, he wasted no time approaching her and getting into a mating position.
Posted in Featured Photos
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