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Palo Verde Root Borer (male)

Derobrachus hovorei


Very large beetle, perhaps largest beetle in the U.S. Male has relatively narrow body but very broad antennae.


Attracted to lights in highly urbanized area of Tucson, Arizona. Typical habitat is very dry Sonoran Desert with host tree (palo verde), mesquite, cacti.


Formerly, this species was known as Derobrachus geminatus.

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Spotted by

Tucson, Arizona, USA

Spotted on Jul 21, 2011
Submitted on Mar 7, 2013

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