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Unknown Root Borer from Tobago is Callipogon armillatus

Posted by bugman August 13th, 2009 at 9:20 am

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Longhorn Beetles

What bug is this please?
August 12, 2009
From Tobago, West Indies. I have another image without my hand in the picture if you would like it. The hand is for scale.
Mr. Sticks
Tobago, West Indies

Unknown Root Borer from Tobago

Callipogon armillatus from Tobago

Dear Mr. Sticks,
This is a Root Borer Beetle in the subfamily Prioninae.  It resembles the North American beetles in the genus Derobrachus, but we have been unable to quickly unearth any possible species matches in Tobago.  Perhaps one of our readers will have better luck in the species identification.

Unknown Prionid from Tobago

Callipogon armillatus from Tobago

Daniel:
This looks like Callopogon (=Enoplocerus) armillatus. The common name appears to be Giant Longhorn Beetle; appropriate for one of the largest Cerambycids (up to 12 cm!). It ranges from Panama to northern Argentina, including Trinidad and Tobago. As you say, it is a root borer (Cerambycidae: Prioninae). Regards.
Karl

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