1895.] NATURAL SCIENCES OF PHILADELPHIA. 517 



SYNOPSIS OF THE NORTH AMERICAN SPECIES OF GORYTES Latr. 



BY WILLIAM J. FOX. 

 GORYTES Latreille. 



Gorytes Latreille, Hist. Nat., XIII, p. 308, 1805. 



Hoplisus Lepeletier de St. Fargeau, Ann. Soc. Ent. France, I, p. 56, 1832. 



Euspongus Lepeletier de St. Fargeau, ibid. 



Dienoplus Fox, Proc. Acad. Nat. Sci., Phila., p. 549, 1893. 



For the full synonymy of this genus see Handlirsch's mono- 

 graph.* 



Females. 



Antennae strongly clavate. (Eyes large, strongly convex and 

 strongly converging toward clypeus; tarsi graceful and 

 long; mesosternum not carinated.) monedu/oides. 



Antenna? not strongly clavate 2 



2. First segment of abdomen coarctate at apex 3 



First segment of abdomen not coarctate, sessile or subpetio- 



late 5 



3. First recurrent nervure received by the first submarginal cell; 



wings hyaline throughout; submedian cell (anal area) of 

 posterior wings terminating much before the origin of the 



cubital nervure; size small bipunctatus. 



Both recurrent nervures received by the second submarginal 

 cell; wings with a fuscous cloud; submedian cell (anal 

 area) not or terminating but little before the origin of the 

 cubital nervure; size larger 4 



4. Enclosure of middle segment striated at base only; head, 



thorax, abdomen and legs spotted with yellow . . mellinoides. 

 Enclosure of middle segment striated throughout; entirely 

 black, except the second abdominal segment which is ru- 

 fous rufocinctus. 



o. Wings clear, without the usual fuscous spot 6 



Wings more or less fuscous, always with a cloud in the 



vicinity of the marginal and submarginal cells 8 



6. First abdominal segment subpetiolate, the apical margins of 

 all the segments broadly clothed with pale pubescence. 



eximius. 



First abdominal segment sessile 7 



* Sitztmgsberichte der k. k. Akademie der Wissenchaften, Wien, Mathe- 

 matiscb-naturwissenschaftliche Classe, Abtheilung I, XCVII Bd., p. 317. 



