166 Journal New York Ent. Soc. [Vol ii. 



/ 



H. nanus Strecker* 

 1876 — r(7j-.f«.f //«;//« Stkeckf.k, Proc. Acad. Nat. Sci. Phil., p. 151. 

 "Expands 1^8 inch. Has the appearance of a miniature 

 ■Cosstis lig/iiperda, is gray, of lighter and darker shades and 

 reticulated with black lines which are most noticeable across the 

 disk and on the terminal part of wing. Secondaries uniform gray- 

 ish. Beneath grayish, faintly reticulated. 

 Habitat, Colorado." 



Family HEPIALID.-E. 



SynoJ^sis of genera. 

 Size large; apices of primaries relangular, sub-falcate , . Sthenopis. 



Size smaller; apices rounded ....... Hepialus. 



Genus Stiienopis Packard. 

 1864 — Stheiiopis Packard, Proc. Ent. Soc. Phil., Vol. II [, p. 390. 

 Synopsis of species. 

 General color silvery smoky gray. 



Two silvery spots near base of discal cell. 



Color smoky gray argenteomaculatus. 



Ground color silvery puiple .... var. purpurascens. 



One silvery spot near base and another sub-apical . . . zuif. los. 



No silver dols on primaries ...... var. perdita. 



General color pale salmon ...... quadriguttatus. 



General color white .......... thule. 



General color dull lilac, gold tinted ....... auratus. 



S. argenteomaculatus Harris. 



1841 — Ilepiahis ari^eiiU'ODiaculatits Hakuis, Rep. Ins. iNIass., p. 295. 



1864 — Slkeiiopis argentcxtiis Packard, Proc. Ent. Soc. Phil , Vol. Ill, p. 292. 



1885 — Cossiis alni Kellicott, Ent. Amer., Vol. I, p. 175. 



var. purpuracens Packard. 



1863 -Gorgopis piiipitrasccns PACKARD, Bost. Journ. Nat. Hist., Vol. VII, 

 p. 59S. 

 var. los Strecker. 



1893 — //^//rt'/wj- /i).r Strecker, Proc. .Acad. Nat. Sci. Phil., p. 2S2. 



var. perdita Dyar. 



i'ii<:)1—SlJu'itopisnygcnti'omacuJatiis var. pcrdila Dvar, Can. Ent., Vol. XXV, 

 P- 327- 



Sable brown with a silvery tint, with several large dark brown 

 marks bordered by a bright shade ; outer margin dark, broadly so 

 at internal angle, with or without two silvery spots near the base 



* We are indebted to Dr. Strecker for a sketch of the venation of this species. 



