Page:Memoirs on the coleoptera (IA memoirsoncoleopt01case).pdf/58

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 * Atheta (Micrearota) reperta n. sp.—Moderately stout and convex, strongly shining, the micro-reticulation very fine and nearly obsolete, moderately larger but feeble on the abdomen, the punctures very fine and rather sparse, wholly inconspicuous; pubescence somewhat coarse; color black, the pronotum piceous, the elytra but slightly paler, the legs pale piceo-testaceous; head rather transverse, parallel, the convex eyes larger, at scarcely more than their own length from the base, the tempora not swollen beyond them, the carinæ extremely fine, extending anteriorly a short distance from the base; antennæ blackish, moderately short, the joints from the fifth moderately stout and subparallel, transverse, the last gradually pointed, a little longer than the two preceding, the second and third moderately elongate, the latter only a little the shorter but more obconic; first joint stout; prothorax slightly wider than the head and a little narrower than the elytra, moderately transverse, the sides parallel and somewhat feebly, subevenly arcuate, unimpressed; elytra and abdomen nearly as in the preceding; hind tarsi slender, the basal joint much more elongate, almost as long as the next two. Length 1.65 mm.; width 0.35 mm. Iowa (Iowa City).
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The two specimens of this species were labeled by Prof. Wickham “Nest a.” I have placed with them a single example from Keokuk.

Allied rather closely to reperta but less parallel, the head and prothorax relatively smaller, the abdomen slightly narrower and not so parallel and the tempora more swollen. I have placed with the types two examples which I took at St. Louis, Mo. In neither case were they associated with ants so far as observed.