TKir.E VII. ERIRHIXINI. 



203 



median space on thorax and a large subquadrate median area on basal 

 half of elytra, with a dark spot each side behind the middle, the scales 

 usually eroded, leaving these dark areas bare; legs dark reddish-brown 

 to piceous. Beak rather stout, as long as head and thorax, male, two-thirds 

 as long as elytra, female, densely punctate. Thorax subglobose, two-fifths 

 wider than long, widest at middle, sides strongly rounded; disc feebly 

 constricted behind the apex, densely and coarsely punctate, the punctures 

 concealed by large scales. Elytra at base one-third wider than thorax, sides 

 broadly rounded for two-thirds their length then strongly converging to 

 apex; disc convex, stria 3 coarsely punctured, intervals' flat. Length 

 33.5 mm. (Fig. 66, a.) 



Fountain County, Indiana, rare; June 10. ISowmanville, Til., 

 June 29. Ranges from New York to California, south to Texas. 

 Schwarz records it (1884, 84) as breeding in the flower-heads of 

 the fine-leaved sneezeweed, Helen in in tciiitifoliuni Nutt. 



Fig. oo. a, Pachyphanes discoideus; b, P. lincolatus; c, Smicroiiy.r sqna/idtis; d, S. 

 quadrifcr ; c, S. sqiiainiilatns. (After Dietz.) 



277 (8549). PACHYPHAXES CORPULENTUS Lee., 1876, 170. 



Oval, rather slender. Piceous-black, thickly clothed with elongate-oval, 

 overlapping clay-yellow scales; elytra usually with a large basal median 

 area of brown scales as in discoideus: legs red, antenna; and tarsi darker. 

 Beak as long as head and thorax, finely and sparsely punctate, male; 

 three-fifths as long as elytra, almost smooth except near base, female. 

 Thorax one-half wider than long, sides strongly rounded, disc finely and 

 densely punctured. Elytra oval, at base one-third wider than thorax at 

 middle, humeri prominent; sides parallel to middle, then strongly con- 

 verging to apex; strife fine, intervals flat. Length 2 2.8 mm. 



Agricultural College, Miss., July. Known also from Louis- 

 iana, Arkansas and Texas. The type of /-*. eentrfilis Dietz from 

 Texas is not separable from corpnlcntn^ by the characters he 

 gives and we regard it as a synonym. 



278 (8547). PACIIYPIIANES AMCENUS Say, 1831, 25; ibid, I, 294. 



Broadly oval, convex. Black or piceous, above densely clothed with whit- 

 ish and dark brown scales; thorax, at least on basal half, with two widely 

 separated discal stripes and a stripe each side formed of the pale scales; 

 elytra with humeri, a basal line on third interval and some irregular spots 

 and wavy lines also pale; antennae and legs reddish-brown; under surface 



