Lithosiidae 



The distribution of this species is much the same as that 

 of the preceding. Its range is slightly more northern than 

 that of /. unifascia. 



0) lllice nexa Boisduval, Plate XIII, Fig. 37, $. (The 

 Yellow-blotched Lichen-moth.) 



Syn. grisea Packard; deserta Felder. 



This species is found upon the Pacific coast, and is not 

 uncommon in southern California. 



Genus PTYCHOGLENE Felder 



A small genus confined to the southwestern portions of 

 our territory. The four species occurring within our fauna 

 may be briefly characterized as follows: 



1 . Head, thorax, base of abdomen, basal two-thirds of prima- 



ries and basal half of secondaries bright carmine ; black 

 marginal borders of both wings strongly dentate 

 inwardly coccinea Henry Edwards 



2. Head, thorax, and abdomen black; fore wings crimson, 



narrowly edged with black on inner margin, and with 

 a black marginal band covering the wing for about one- 

 fifth of its length, dentate inwardly opposite end of 

 cell. Hind wing blackish-brown, more or less broadly 

 laved with crimson on costal margin phrada Druce 



3. Head, thorax, and abdomen black; fore wing crimson, with 



the costal margin narrowly edged with black; terminal 

 black band of the same width as in the preceding 

 species, but not dentate inwardly. Hind wing pale 

 yellowish crimson, with the outer marginal band 

 1 strongly toothed inwardly on vein 2 sanguineola Boisduval 



4. Head, thorax, and abdomen, deep black; patagia crimson; 



fore wings deep crimson, very narrowly edged on 

 external margin with black, extending on costal margin 

 a short distance from the apex toward the base. Hind 

 wings deep bluoblack, very narrowly edged on the 

 costa with crimson, the crimson fascia not quite reach- 

 ing the apex tenuimargo sp. nov. 



(1) Ptychoglene phrada Druce, Plate XIII, Fig. 28, $. 

 (Druce's Lichen-moth.) 



Syn. flammans Dyar. 



(2) Ptychoglene tenuimargo sp. nov., Plate XIII., Fig. 

 17, ?. (The Narrow-banded Lichen-moth.) 



no 



