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. 



(3) Mice 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 

 strongly toothed inwardly on vein 2 sangnineola 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 blue-black, 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. 

 7, $. (The Narrow-banded Lichen-moth.) 



no 



