Page:Memoirs on the coleoptera (IA memoirsoncoleopt01case).pdf/61

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 * Atheta (Micrearota) tincta n. sp.—Moderately stout and convex, the coloration nearly as in the preceding, shining, the reticulation feeble, the punctures very fine, sparse, notably closer and asperulate on the elytra; head as long as wide, the parallel sides evenly and broadly rounded, the eyes rather small, not prominent and anterior, the carinæ wholly obsolete; antennæ unusually long, about half as long as the body, moderately stout and only very gradually incrassate, the outer joints evidently wider than long though much less transverse than in the other species, the last large, stout, pointed, fully as long as the two preceding, the second and third alike, unusually elongate, the latter but very slightly the shorter; prothorax nearly as in sana but relatively a little smaller and shorter, much wider than the head; elytra short and strongly transverse, the suture only just visibly longer than the prothorax; abdomen rather wide, only a little narrower than the elytra, parallel, with straight sides, the first two tergites as usual, shorter than the next three and paler in color; hind tarsi long and slender, of the usual structure. Length 1.78 mm.; width 0.45 mm. New York.
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The species is an exception in the entire genus in its notably long antennæ. In this genus there are no distinct male sexual modifications so far as observable.



In this subgenus the body is minute in size and of peculiar parallel convex form, the mesosternal process extending but slightly behind the middle of the coxæ, with its apical part subparallel but rather wide, the apex subacutely rounded and rather closely approaching the long and acute metasternal projection, the intervening narrow ridge not or scarcely depressed and the coxæ well separated. The tarsi seem to be rather long but the posterior are missing in my only example. The hypomera appear to be fully visible from a lateral viewpoint but are rather more inflexed than in Atheta.