1895.] NATURAL SCIENCES OF PHILADELPHIA. 523 



28. Flagellum not thickened apically; wings scarcely yellowish. 



simillimus. 



Flagellum thickened apically, wings yellowish basally. 



angustatus var. 



29. Wings distinctly yellowish; femora entirely yellow beneath. . 30 

 Wings scarcely yellowish; femora black basally beneath. 



simillimus var. 



80. Flagellum thickened apically angustatus. 



Flagellnm setaceous nevadensis, 



31. Dorsal segments 4 and 5 impunctate 32 



Dorsal segments 4 and 5 with distinct,! scattered punctures . . 36 



32. Suture between dorsulum aud scutellum foveolate 34 



Suture between dorsulum and scutellum not foveolate .... 33 



33. Flagellum rather long, the joints about twice as long as broad, 



prominently rounded-out beneath; wings with a yellowish 



cast phaleratus. 



Flagellum shorter, somewhat subclavate, the joints (basal 

 ones excepted) not twice as long as broad, not rounded-out 

 beneath; wings black, apex pale propinquus. 



34. Wings in greater part dark fuliginous 35 



Wings yellow, ferruginous venustus. 



35. Wings clear at apex; middle segment spotted with reddish. 



abdominalis. 



Wings entirely fuliginous (head and thorax black) . . . Smithii. 



36. Antenme rather long, reaching at least to apex of scutellum. . 37 

 Antennae shorter, not reaching to apex of scutellum, subclav- 

 ate (middle segment spotted with rufous) . . . rufomaculatus. 



37. Abdomen with very broad fasciae; middle segment spotted 



with yellow; basal joints of flagellum reddish . . . .fasciatus. 

 Abdomen with narrow fascia?; middle segment not spotted; 

 basal joints of flagellum black above biparlitus. 



1. Gorytes moneduloides Pack. 



Gorytes moneduloides Packard, Proc, Ent. Soc, Pkila., VI, p. 424. $ . 

 Gorytes Belfragei Cresson, Trans. Am. Ent. Soc, IV, p. 224. 9 



Georgia, Louisiana, Texas. A 9 specimen, from Mexico, differs 

 by the dark legs, absence of yellow spots of scutellum, and the band 

 of first dorsal abdominal segment is broken into two spots. 



2. Gorytes bipunctatus Say. 



Gorytes bipunctatus Say, Narr. Exped. St. Peter's Kiver (Keating) II, Zool., 



p. 338. 

 Lestiphorus bipunctatus Dahlboni, Hym. Eur., I, p. 157. 

 Euspongus bipunctatus Dahlborn, ibid., p. 480; Cresson, Synopsis, p. 117. 

 Gorytes bipunctatus Handlirseh, Sitzb. k. k. Akad. Wissenscb., Wien, Ma- 



tbem.-naturw. Classe, Abtb. I, Band XCVII, p. 355, 9 



Found throughout the United States, except in the States north 

 and northeast of Pennsylvania. The male is similar to the female ) 



