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Black-Dotted Ruddy / Holly Looper

Posted on July 23, 2012 by Troy Bartlett

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. read more

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Geometrid Caterpillar with Enlarged Thorax

Posted on October 25, 2011 by Troy Bartlett

23mm long | July 5, 2011 | Victorio Siqueroli Park, Uberlandia, Minas Gerais, Brazil

This caterpillar has an interesting profile. I’ve seen caterpillars with enlarged thoracic segments, but I don’t recall ever seeing a geometrid like this. I assume this is a geometrid because it only has two pairs of prolegs.

Closeup of head and thorax

I was just about to publish this and I decided to look through my copy of Caterpillars of Eastern North America to see if I saw anything similar in the section on geometrids. This is not unlike the caterpillar of the Tulip-tree Beauty (Epimecis hortaria). I’ve never actually seen one of those, even though I often see the adults. Wagner says the odd proportions are distinctive for that species for North America. Perhaps this is a Brazilian species in that genus. read more

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