55 



men fawn brown. Legs grayish brown, tarsi pale cinereous, 

 slightly darker on the extremities of segments. 



Fore wings pale cinereous, dusted with dark brown ; an oblique 

 brown spot occurs before the base of the fissure and a longitudinal 

 brown costal line nearly opposite the base of fissure. Fringes 

 concolorous with wings. Hind wings and fringes brownish cin- 

 ereous, third feather whitish. 



Habitat. California. Early stages and food plant unknown. 



PTEROPHORUS LUGUBRIS. 

 (Edematophoms lugubris Fish, Can. Ent, Vol. XIII., p. 140 (1881). 



Expanse of wings, 27-29 mm. Head and palpi dark smoky 

 brown. Antennae dotted above with white and blackish scales. 

 Thorax light smoky brown. Abdomen slender, dark smoky 

 brown, thickly sprinkled with very dark scales. Legs grayish 

 brown, the middle tibiae whitish just before the middle and end ; 

 all the tarsi whitish at base of joints ; spurs whitish at base. 



Fore wings dark smoky gray, dusted with dark brown scales ; a 

 longitudinal black dash on the costa, opposite the base of fissure ; 

 an obscure blackish spot before the base of fissure, bordered out- 

 wardly by gray scales. Faint indications of two smaller blackish 

 spots on the costal margin of anterior lobe. Fringes smoky gray, 

 with a few whitish hairs on the hind margin of anterior lobe near 

 the apex. Hind wings and fringes, as well as under side of wings, 

 cinereous. 



Habitat. California. Early stages and food plant unknown. 



PTEROPHORUS GRISESCENS. 



(Edematophorus grisescensWlsm., Pter. Cal. and Ore., p. 34, Plate II., 

 fig. 11 (1880). 



Expanse of wings, 29 mm. Head and palpi gray, with a fus- 

 cous tinge on the apex of the palpi. Antennae spotted with gray 

 and fuscous. Thorax and abdomen grayish, sprinkled with fus- 

 cous. Legs grayish white, tinged on the segments and on the tips 

 of the spurs with fuscous. 



Fore wings gray, slightly spotted with white and dusted with 

 fuscous scales, the hind portion touched with ferruginous. A 

 white space on the costa before the base of the fissure, and another 

 beyond and obliquely connected by whitish scales with the base of 

 fissure \ a whitish spot before the middle of the hind margin and 

 an indistinct fuscous spot above it. Fringes mottled with white 



