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Dobsonfly from Brazil

Posted by November 27th, 2008 at 11:48 am

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Dobsonflies and Fishflies

sci-fi insect monster
Wed, Nov 26, 2008 at 11:00 AM
We just found this bug in the southeastern part of Brazil, just outside of Sao Paulo city. It was about five inches long (including those huge pincers). It entered the house late at night flying around, and looked like it had two sets of wings. It can bend the top part of its body backwards to use those pincers. Can you tell us what it is?
Creeped out in Brazil
Juquitiba, SP, Brazil

dobsonfly brazil 300x220 Dobsonfly from Brazil

Male Dobsonfly

Dear Creeped Out,
This is a male Dobsonfly.  Though those mandibles look quite formidable, he is actually quite harmless.  The female Dobsonfly has much less impressive mandibles, yet she can and will bite a hapless human, but since she has no venom, she too is harmless.  We have read that the male Dobsonfly uses his pincers in the mating process, and we eagerly long for proof of this in a photograph.

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