Dkc. 1394-1 NeUMCEGEN & DvAR. N. A. BOMBYCES. ]Q'! 



of the wing. Secondaries uniformly sub-translucent, brown, with 

 an apical slightly silvery mark. Expanse, 65 — 105 mm. 

 Habitat, Northern Atlantic States northward. 



S. quadriguttatus Grote. 



1864 — Gorgopis quadriguttatus Grotk. Proc. Ent. Soe. Phil., Vol, III, p, 73. 

 1893 — Stheiippis argenteomaculatus var. seiiiiauratus Neumcegex & Dyar, 



Can. Ent., Vol. XXV, p. 124; 1893 — Gkoie, Can. Ent., Vol. 



XXV, p. 186; 1893— Strecker, Proc. Acad. Nat. Sci. Phil., 



p. 283. 



Of a pale salmon color with olivaceous golden brown bands 

 arranged as in argenteomaculatus, consisting of oblique basal, 

 abbreviated discal and sub-apical ; two costal spots and terminal 

 band, the latter wide at internal angle and inclosing a paler shade. 

 Near base of cell on primaries two silvery spots, ringed with black. 



Habitat, Mountains of New England northward. 

 S. thule Sti ccker. 



1875 — Hi'pialus thule Strecker, Lep. Roph. & Het., pt. 105, pi. 12, f. 6. 



Yellowish white, the costal third of wing as far as end of cell, 

 densely mottled with cinnamon brown. A few irregular small 

 brown spots scattered over the wing. Near base of cell two white 

 spots, and at upper angle of cell two others, all black ringed. 

 Secondaries white, with a few brown marks on the costal edge. 

 Expanse, 65 mm. 



Habitat, Canada, Wisconsin. 



S. auratus Grote. 



1878 — Hepialus auratus Grote, Can. Ent., Vol- X, p. 18. 



Yellowish brown with a brassy lustre and whitish ill defined 

 marks appearing most strongly on two parallel bands (t. p. and 

 s. t. ), the latter marked with two or three silvery white triangular 

 spots sub-apically. Expanse, 48 mm. 



Habitat, New York, New Hampshire. 



G.enus Hepialus Fabricius. 



1775 — Hepialus Fabricius, Syst. Ent., p. 589. 



1852 — Epialus Lederer, Verh. Zooi. Bot. Ges. Wien, Vol. II, p. 73. 



Synopsis of species. 



An oblique band from near internal angle to base of wing. 

 Silvery white or whitish markings on wing. 



Wing opaque, markings silvery ...... ganna. 



Wings sub-translucent, markings faintly silvery or white. 



