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Desert Spider Beetle

Posted by July 28th, 2006 at 12:00 am

Categories

Beetles

Can you tell what this bug is?
I found this colorful beetle in Phoenix, AZ outskirts in the desert. Do you know the species? Thanks.

desert spider beetle yellow Desert Spider Beetle

This is definitely a Blister Beetle, and we are also certain it is the genus, Cysteodemus, the Desert Spider Beetles. One species is black and the other is white. The white species is the White Bladder-bodied Meloid, Cysteodemus armatus. We are perplexed by the yellow coloration and wonder if it is a variation, a chemical tinting, a pollen dusting, or a different species. We will inquire if Eric Eaton has an opinion.

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Comments 1

  1. SomeStrangeChick wrote:

    I saw one just like this in Parker, Arizona around April 24th 2011. It was moving really fast so all I have a blurry pics, but it looked just like that – same Fluorescent like Yellow and Jet blackness.

    So, Thank you for your post and picture!! It was most helpful!

    I wonder if they are still perplexed or if they have figured out why it’s yellow and now white, like they thought it should be.

    Once again – Thank you!! :)

    Posted 10 Jun 2011 at 11:03 am

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