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Blog Archives
Termite Soldiers
July 2, 2011 | Monte Alegre, Minas Gerais, Brazil
I generally overlook termites, but this trip I decided I’d change that. These were the first ones I found. They were busy pulling grains underground.
Now that I’ve been paying attention, I can see there’s quite a variety. In this species, the soldiers and the workers are about the same size.
Soldier with worker
Posted in Featured Photos
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Cockroaches
30mm | July 2, 2011 | Monte Alegre, Minas Gerais, Brazil
I saw quite a variety of cockroaches in my relatively short outing to Monte Alegre. The first one, above, was the largest and was not altogether unattractive. It blended in well with the leaf litter.
The second one was a bit smaller, and was spotted in some low foliage.
25mm | Dorsolateral view
This last one was the smallest, but the most robust.
20mm | Dorsal view
It was moving slowly about until it encountered something tasty (rodent dropping?).
Lateral view | Feeding
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Ants Tending Leafhoppers
July 2, 2011 | Monte Alegre, Minas Gerais, Brazil
These ants are tending to some treehopper nymphs. Most of the ants are busy collecting honeydew, but the one on the bottom has noticed me and is on alert. I accidentally bumped the branch after this shot and all of the ants started running around looking for something to attack. I held up a leaf for a background here so that the ants would stand out.
In this next shot, I’m assuming the white areas are either treehopper eggs or a protective covering for the eggs. One of the adult treehoppers is also visible here, a darker shade of red than the nymphs.
Posted in Featured Photos
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Odd Spider
7mm (body) | July 2, 2011 | Monte Alegre, Minas Gerais, Brazil
One of my brother-in-laws offered to drop me off for a few hours in a forested area on one of his farms. I was thrilled, but perhaps a bit anxious when he offered me a revolver in case I encountered a jaguar. I turned down the gun and if there was a jaguar in the area I never saw it.
The first critter I found was this odd looking spider. I spotted it while breaking up a rotting log. It’s quite flat, evolved no doubt for squeezing into tight spaces. I wanted to grab it for a closer look, but it managed to fall into the leaf litter and escape.
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Army Ant Week Post #2
July 20, 2006 | Ilhabela, Sao Paulo State, Brazil
These two photos are from my first trip to Brazil. I spent a week on the island of Ilhabela, a few hours drive from Sao Paulo.
I probably wouldn’t even have noticed these ants if not for the calling of antbirds. The birds were making quite a fuss so I moved in to investigate. That’s when I started to hear a light rustling noise and then noticed the ants carpeting the leaf litter. The rustling is not just the ants, but all of their potential prey trying to escape.
Below, they’ve managed to overwhelm a spider, er, well, actually just a shed spider skin. Honestly, I always believed this was a captured spider until reviewing it yesterday when I noticed something was off.
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Identification Challenge #7 Reveal
All commenters correctly determined that this was a moth:
January 26, 2010 | Caraça Natural Park, Minas Gerais, Brazil
At the time I took the picture, I assumed this was a butterfly. It acted like a butterfly, being active during the day and the way it held its wings (not folded over the back like many moths).
It was only when reviewing the photo later that I noticed it looked a bit odd for a butterfly. Like many commenters, I noted the lack of clubbed antennae. I didn’t try to identify it, but I remembered it when I read an interesting short article in a recent issue of Natural History magazine. The article was all about day flying moths in the subfamily Dioptinae (family Notodontidae). I emailed the author, James S. Miller, asking if he thought this might be one. Here’s his response:
Posted in Identification Challenges
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Identification Challenge #7
January 26, 2010 | Caraça Natural Park, Minas Gerais, Brazil
This challenge will be straightforward. Is this a butterfly or a moth? Why?
Here’s a habitat shot, showing the shot above was taken during the day. The subject above is the yellow speck near the bottom, center right.
Subject above is just barely visible here
Posted in Identification Challenges
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Mass Pupation
January 27, 2010 | Caraça Natural Park, Minas Gerais, Brazil
I found one other grouping of exuviae in the area where I found the one above. I’ve never seen anything like this locally. I believe these are from lepidopterans. There is a slight layer of silk on the bark. Up close, I saw some cast off head capsules. Look closely above, and you’ll notice a leg that must have broken off while struggling free.
I know some caterpillars are gregarious as early instars, but I thought they generally went their separate ways as final instars. I thought this was interesting evidence that in at least one species, they pupate and perhaps eclose together.
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Young Rattlesnake
January 31, 2010 | Tupaciguara, Minas Gerais, Brazil
I haven’t yet driven MG-223 that leaves Tupaciguara in the direction of Araguari at night without seeing a snake crossing the road. Here’s the most recent one I spotted, which I assume is a young rattlesnake. It’s small, maybe 6 inches or so, and it looks like it has a button at the end of its tail.
My real dilemma when I spot one is whether or not to stop and risk getting hit by another vehicle. At any rate, I’m definitely in a hurry to get a photo and get back up to speed.
Posted in Featured Photos
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Flashy Coreid
January 31, 2010 | Tupaciguara, Minas Gerais, Brazil
Despite their common name of leaf-footed bugs, not all coreids have flattened hind tibiae. Â This flashy specimen instead has rather impressive hind femurs.
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