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Birch Shield Bug

Posted by danielj February 4th, 2008 at 1:00 am

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True Bugs

Birch Bugs?
In July 2004 our birch trees were COVERED with all stages of these Birch Bugs – Stink Bugs – Birch Shield Bugs. Please verify that name for me? Thanks!
Barbara Logan
Fairbanks, Alaska

birch shield bugs barbara Birch Shield Bug

Hi Barbara,
The Birch Shield Bug, Elasmostethus interstinctus, is a very good match in our minds. The Picture Page website says: “Canadians and Americans usually refer to this species simply as the Birch Bug.” Your photo shows various immature instars, but no winged adults. BugGuide does not represent this species, but has photos of two other members in the genus. Shield Bugs are in the family Acanthosomatidae, and Stink Bugs are in the family Pentatomidae, so calling this species a Stink Bug would be incorrect.

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