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Published online by Cambridge University Press: 31 May 2012
Length, 5-5.8 mm.; width 2.3-2.6 mm. Moderately elongate ; rather strongly convex; slightly wider posteriorly. Black, the legs and sometimes the ventral thoracic sclerites brown; strongly shining throughout.
* —Contribution from the Division of Systemtic Entomology, Entomological Branch, Dept. of Agric., Ottawa.