Species Attagenus brunneus

Attagenus elongatulus Casey 1900(1) (name used in(2)) and many others synonyms

Attagenus brunneus Faldermann 1835

2.9–5 mm(3)

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)

found regularly in houses(5)

infests a variety of plant and animal materials, including woolens, felt, and processed foods (dried buttermilk, dried milk, peanuts)(3)

Dermestidae.com - Andreas Herrmann