Proceedings of the United States National Museum . -thirds as wide as basal portion; in lateralview stoutly parallel in basal half, greatly attenuate, apical thirdnearly cylindrical; basal two-thirds with moderately dense, finepunctures bearing fine pubescence, apical third smoother, glabrous,more shining. Female beak one-fourth to one-third longer than headand prothorax, moderately, evenly curved, slender; in dorsal viewbasal fifth stout, nearly parallel-sided, equal to width of frons, abruptlyattenuate to basal third where it is about two-thirds as wide as at base,apical two-thirds cylindric


Proceedings of the United States National Museum . -thirds as wide as basal portion; in lateralview stoutly parallel in basal half, greatly attenuate, apical thirdnearly cylindrical; basal two-thirds with moderately dense, finepunctures bearing fine pubescence, apical third smoother, glabrous,more shining. Female beak one-fourth to one-third longer than headand prothorax, moderately, evenly curved, slender; in dorsal viewbasal fifth stout, nearly parallel-sided, equal to width of frons, abruptlyattenuate to basal third where it is about two-thirds as wide as at base,apical two-thirds cylindrical; basal fifth dull, densely alutaceous, withfine, dense punctures, pubescence scant, with deep, short lateralfurrow above antennal insertion; apical four-fifths polished, verysparsely, minutely punctured. Antenna of male inserted at distancefrom eye two-thirds greater than width of frons, slightly behind middleof beak, of female at distance slightly greater than %vidth of frons,at basal fifth of beak; first segment longer than next two, shorter. Figure \%.—Apion heterogeneum Sharp: a, dorsal view of head of male; h, lateral view ofhead and prothorax of female; c, lateral view of head and prothorax of male; d, front legof male; e, entire dorsal view of female;/, dorsal view of tarsus 2 of male; g, lateral viewof tarsus 2 of male; h, mucro of tibia 3 of male. Line equals mm. 374 PROCEEDINGS OF THE XATIOXAL MTSEI^I vol. no than next three; second segment as long as third; club of male, mm.; of female by mm. Eyes moderately promi-nent; frons moderately wide, with moderately deep median sulcus anda lateral row of punctures. Prothorax at base slightly wider thanlong, at middle one-fifth wider than base, at apex two-thirds (male)to four-fifths (female) as ^ide as base; sides slightly expanded laterallyat base, strongly roundly expanded to middle, rounded to stronglj^constricted apex; in profile dorsal surface of male shghtly arcuate,flattened at base and


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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience