Differs from the very similar A. unicolor in the following: antennal club in male distinctly longer than remainder of antenna (about as long in unicolor), antennae often completely pale (always terminally infuscate in unicolor); elytra brown, hind margin of pronotum with distinct fringe of pale hairs (often black, pronotum without fringe of hairs in unicolor).
native to w. Palaearctic (the Mediterranean & the Caucasus)(4), adventive in NA and widespread in the US(5)(6)
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