June 1894.] NeUMCEGEN & DyAR. N. A. BOMBYCES. 63 



Family PYROMORPHID.*:. 



Synopsis of genera. 



Subcostal veins from cell, unbranched ; size small . . . Acoloithus. 

 Subcostal veins parti}' stalked or 8 and 9 approximate at origin. 

 Wings broad, rounded. 



Costa very convex ; wing broad .... Pyromorpha. 



Costa straight or nearly so, wings more elongate . . Triprocris. 



Wings very narrow, elongate ...... Harrisina. 



Genus Acoloithus Clemens. 

 1861 — .4<r(7/w7//Mj- Clemens, Proc. Acad. Nat. Sci. Phil., i860, p. 539. 

 A. falsarius Clemens. 



\%b\— Acoloithus falsarius Clemens, Proc. Acad. Nat. Sci. Phil., i860, 



P- 540. 

 1864 — Harrisina sanborni Packard, Proc. Essex Inst., Vol. IV, p. 32. 



Entirely black, with very narrow reddish collar. Expanse, 

 18 — 20 mm. 



Habitat, Atlantic States westward. 



Genus Pyromorpha Herrich-Schaffer. 

 1854 — Pyiomorpha Herrich - ScH.i".FFEK, Saml. Ausser. Schmett., Vol. I, 



f. 222. 

 1861 — Malthaca Clemens, Proc. Acad. Nat. Sci. Phil , i860, p. 540. 



P. dimidiata Herrich-Schaffer. 



ii^^—Pyromoip/ia dimidiata Hekrich-Sch.^FFER, Saml. Ausser. Schmett., 



Vol. I, f. 222. 

 1854 — Lycomorpha centralis Walker, Cat. Brit. Mus., pt. II, p. 288. 

 1861 — Malthaca perlucidula Clemens. Proc. Acad. Nat. Sci. Phi!., i860, 

 P- 541. 

 Black, the wings translucent with a pale buff patch on basal 

 half of primaries above vein i b. Expanse, 25 mm. 

 Habitat, Atlantic States. 



Genus Triprocris Grate. 

 1?>']Z— Triprocris Grote, Bull. Buff. Soc, Vol. I, p. 35- 



Synopsis of species. .^^,*,*^!i;*-»t<_, /7t- 



Body ocher yellow .......... fusca. 



Abdomen black dorsally. 



Body or wings more or less colored. 



Thorax black centrally and on patagia. 



