June 1894.] 



Neumcegen & DvAR. N. A. Bombyces. 



63 



Family PYROMORPHID.'t:. 



Synopsis of gen era. 



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

 Subcostal veins partly 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 — .4r('/('////«x Clk.mens, Proc. Acad. Nat. Sci. Phil., i860, p. 539. 

 A. falsarius Clemens. 



\%b\— Acoloithus falsarius Ci-EMENS, Proc. Acad. Nat. Sci. Phil., i860, 



p. 540. 

 1864 — Harrisiiin 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-Sehdffer. 

 1S54 — Pyiomorpha Herkr'ii - Srii.i.i'i'EK, Saml. Ausser. Schmett., Vol. I, 



f. 222. 

 i%b\--Malthaca CLEMENS, Proc. .Vcad. Nat. Sci. Phil , 1S60, p. 540. 



P. dimidiata Herrich-Sehdffer. 



i%-:^it—Pyromoiph<i dimidiala IIekrich-Sch.ekker, Sam!. Ausser. Schmett., 



Vol. I, f. 222. 

 1854 — I.ycomorpha centralis Wai.ker, Cat. Brit. IMus., pt. TI, p. 288. 

 1861 — Malthaca pcrlucidiila Clemens, l^roc. Acad. Nat. Sci. I'hii., i860, 

 p. 541. 

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



half of primaries above vein i b. K.xpanse, 25 mm. 

 Habitat^ Atlantic States. 



Genus Triprocris Grote. 



1873 — Triprocris Grote, Buii. lUilT. Soc, Vol. I, p. 35- 



Synopsis of species. 

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



Abdomen black dorsally. 



Body or wings more or less colored. 



Thorax black centrally and on patagia. 



