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Blog Archives
Parasitized Brush-footed Butterfly Chrysalis
17mm long | July 5, 2011 | Victorio Siqueroli Park, Uberlandia, Minas Gerais, Brazil
Metamorphosis for this butterfly appears to have been interrupted by a parasite, a small wasp perhaps. You can see the hole where the parasite chewed its way out. Oddly, there’s a similar hole on the other side. Maybe it abandoned this other exit since it looks incomplete. Or maybe there were actually multiple parasites.
Another exit hole?
I know this is the chrysalis of a brush-footed butterfly in the family Nymphalidae because other butterfly families use a a small silken thread around the thorax to help secure it. Here’s an example from an earlier post.
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Moss Caterpillar
30mm body | July 3, 2011 | Tupaciguara, Minas Gerais, Brazil
I suspect this caterpillar is closely related to similar looking nymphalid butterfly caterpillars in the genus Adelpha. Some are generally referred to as moss caterpillars because the various body projections give the appearance of moss. It may not be obvious from these photos, but check out this photo from Flickr user artour_a.
Side view
Closeup of head
I’ve encountered a similar caterpillar before in a different part of Brazil, although that one was probably an earlier instar and was shades of brown.
Reference:
[book:0674021908]
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Chrysalis Surprise
10mm | July 4, 2011 | Tupaciguara, Minas Gerais, Brazil
I collected this little chrysalis while I was in the field the day before I took this photo. I didn’t think I’d be able to get a good photo at the time, and I was curious to see what might emerge. Strangely, looking at this with my own eye, it appears opaque with a silvery and gold surface. With the camera and flash, it appears as above, somewhat transparent and showing what looks like a wing inside. I figured it would only be a short time to see the butterfly that might emerge. Well, I was half right.
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Possible Hecale Longwings
January 17, 2011
Cahuita NP, Limon Province, Costa Rica
These butterflies were attracted to these white flowers. These might be Heliconius hecale zuleika, but I suspect there are probably lots of species that are difficult to tell apart.
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Identification Challenge #4 Reveal
As Ted C. MacRae correctly guessed, the chrysalis in the latest identification challenge yielded a specimen of Papilio glaucus, an Eastern Tiger Swallowtail.
April 25, 2010 | Twelvestones, Roswell, GA, USA
The blue on the upperside of the hindwings indicates this is a female. Here’s the underside of the wings:
Underside of wings
If I’d had some daylight, I’d have tried to get something other than a black background. I saw she had emerged after arriving home one evening though, so I took these shots in my home office before releasing her.
Being a fresh specimen, I thought I’d try for some closeups of the wing scales.
Posted in Identification Challenges
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Colorful Butterfly
January 28, 2010 | Caraça Natural Park, Minas Gerais, Brazil
I usually don’t have the patience to stalk butterflies. The colors on this one were just so vibrant that I spent about 20 minutes chasing after it.
Even the undersides of the wings, while definitely muted, are attractive (to me anyway).
Wings closed showing underside
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Glasswing Butterfly
January 28, 2010 | Caraça Natural Park, Minas Gerais, Brazil
Glasswing butterflies lack scales on parts of their wings, leaving those parts transparent.
Though similar looking, this is not the species (Greta oto) commonly found in many of the butterfly houses I’ve visited. That one’s range doesn’t extend into South America. This is probably a closely related species. I was surprised there are so many that look very much alike. Check out this Florida Museum of Natural History page on the tribe Godyridini to get an idea.
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