Page:Memoirs on the coleoptera (IA memoirsoncoleopt01case).pdf/40

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 * Atheta brumalis n. sp.—Stout, not parallel, moderately convex, somewhat shining, the abdomen polished, the punctures fine, asperate and close-set; color black or blackish, the elytra dark piceo-luteous, the legs pale, the antennæ black, piceous basally; head moderately small, the eyes at nearly their own length from the base, the carinæ very fine, not quite entire; antennæ long, rather stout but subparallel, the outer joints moderately transverse, the second a little shorter than the third; prothorax rather small, transverse, parallel but only very moderately rounded at the sides, much wider than the head and correspondingly markedly narrower than the elytra, the latter larger, only moderately transverse, very much longer as well as wider than the prothorax; abdomen parallel, slightly narrowing apically, much narrower than the elytra, the fifth tergite barely as long as the fourth, the sixth (♂) with a small and narrow, internally concave auricula at each side, projecting behind very slightly, the apex between them broadly, evenly and very feebly sinuate throughout the width and scarcely at all modified; mesosternal process projecting rather unusually far between the coxæ and drawn out but not very finely aiculate at tip, approaching the triangular metasternal projection rather closely. Length 2.8 mm.; width 0.77 mm. British Columbia (Metlakatla),—J. H. Keen.
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The sexual characters seem to distinguish this species from the very inadequately described metlakatlana, of Bernhauer.

Distinguishable from brumalis, to which it is rather closely allied, by the more elongate antennæ, larger and more laterally rounded prothorax, tapering abdomen and sexual, and, to some extent, the sternal characters.