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Rainbow Scarab: Phanaeus difformis

Posted by April 4th, 2008 at 12:00 am

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Scarab Beetles

Beetles
Hello Bugman. I found this weird looking beetle in my dog’s water bowl and I promptly brought it into the house so that I could Google it. After not finding it, I remembered your site (which I’ve been to a couple times before) and searched through the pages of beetles but I haven’t found it yet. Its about the same size as a quarter (as the picture shows) and is a metallic green color with metallic copper color on the carapace (?). It sports a single curved horn on its head. Sorry about the quality of the pictures, its been gloomy and wet all day.
Clay Bridges
Henderson, Texas

phanaeus difformis Rainbow Scarab: Phanaeus difformisphanaeus difformis 2 Rainbow Scarab: Phanaeus difformis

hi Clay,
Your beetle is type of Dung Beetle commonly called a Rainbow Scarab, Phanaeus difformis. it is related to the similar looking, more common Rainbow Scarab, Phaneas vindex. BugGuide has a nice graphic that shows how to distinguish the two species based on the shape of pronotum.

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