'58. Journal New York Ent. Soc. [Vol. ii. 



vnr. basiflava Packard. 



■l%ti,—rarorgyia basiflava PACKARD, Proc. Ent. Soc. Phil., Vol. Ill, p. 332. 



var. atrivenosa Pa/m* 



1S93 — Parorgyia atrivenosa PAiAf, Journ. N. Y. Ent. Soc , Vol. I, p. 21. 



Differs from achatiiia in the character of the subterminal 

 shading, which is blackish brown, sharply defined outwardly by a 

 series of darker or concolorous dashes, the one between veins 6 and 

 7 reaching almost to margin of wing. Median space largely shaded 

 with white. There is occasionally a longitudinal black bar as in 

 achatiiia. 



Habitat, Atlantic States southwestward. 



O. plagiata Walker. 



1855 — Acyphas plagiata Walker, Cat. Brit. Mus., pt. IV, p. 799 

 1856 — Dasychira ntoinaria Walker, Cat. Brit. Mns., pt. VII, p. 1739. 



Nearly uniform ochraceous gray, irrorate with black scales, 

 reniform outlined in black on a white ground. Markings essentially 

 as in leucophaea, from which this species differs in the uniform 

 markings, not contrasted, and the heavy irrorations. 



Habitat., Northern N. Y. and N. E., Rocky Mountains, Canada 

 and Pacific Northwest. 



Genus Porthetria Hubner.\ 



1822? — Porthetria HuBNEr, Verz. bek. Schniett., p. 160. 

 P. dispar Linnaeus. 



1758 — Bombyx dispar Linnaeus, Syst. Nat., Vol. I, p. 501, n. 27. 



^ Smoky brown, paler on primaries centrally beyond cell, 

 with dark brown dentate transverse anterior and transverse 

 posterior and subterminal lines : two discal dots, outer one lunate. 

 Fringe spotted with dusky. Expanse, 25 mm. 



9 White, tip of abdomen brown. Lines on primaries as in 

 the ^, smoky brown with a central shade below the outer discal 

 dot. Fringe spotted with brown. Antennae black. Expanse, 45 mm. 



Habitat., Medford, Massachusetts, and vicinity; Europe. 

 [Introduced.] 



Genus Dasychira Hubner. 



1810 — Dasyehira IliuiNER, Tentamen, p. I. 



*I consider this a valid species and not a variety of /eucop/ura.-Wm. Beutenmiiller. 

 fThis name should be replaced by Lyinantria Hiibn. See Hampton, Moths of 

 India, Vol. I, p. 459.-11. G. Dyar. 



