39 



hooks of the last ring. Moth appears through greater part of 

 July." (Kellicott.) 



ALUCITA CINERASCENS. 



Aciptilus cinerascens Wlsm., Pter. Cal. and Ore., p. 57, Plate III., fig. 13 

 (1880). 



Expanse of wings, 19 mm. Head slightly ochreous ; palpi very 

 short ; antennae pubescent, pale ochreous. Thorax whitish, espe- 

 cially in front, where two indistinct dark lines run forward to the 

 head. Abdomen pale ochreous. Legs whitish, the fore and mid- 

 dle pairs tinged with brown on the inner side. 



Fore wings very pale ochreous, dusted thickly with brownish, 

 forming a large spot before the base of the fissure ; a subcostal 

 spot before the middle and two small costal spots on the outer half 

 of the first lobe. Fringes below the apex of first lobe and on the 

 apex of the second lobe dark brown ; pale subochreous within the 

 fissure, with a brownish spot on the hind margin. Hind wings 

 and fringes pale cinereous ; under side pale brownish. 



Habitat. California. Early stages and food plant unknown. 



GENUS PTEROPHORUS Geoff., Hist. Ins., Vol. II., p. 90 (1764). 



Vertex and front smooth ; palpi short, not reaching beyond the 

 head or but very slightly ; porrect, or slightly ascending, the third 

 segment short and sometimes bent down a little ; antennae with a 

 thickened basal segment. Anterior and middle tibiae only slightly 

 thickened at the end ; hind tibiae without a thickening of scales. 



Fore wings fissured about one-third of their length ; both lobes 

 pointed, the hind lobe in some species with a scarcely perceptible 

 anal angle. Feathers of the hind wings unlike in form, with long 

 fringes and without a black scale cluster. The upper angle of the 

 cell is very acute, formed by the very oblique cross vein. 



SYNOPSIS OF THE SPECIES. 



Fore wings remarkably narrow, dirty white, . agraphodactylus. 

 Ground color of the fore wings snow white, .... 2. 

 Ground color of the fore wings bluish white, . . . brucei. 

 Ground color of the fore wings pale sulphur yellow, 



sulphur eodactylus. 



Ground color of the fore wings pale straw color, ... 4. 

 Ground color of the fore wings cream white, .... 5. 

 Ground color of the fore wings pale brownish white, . rileyi. 

 Ground color of the fore wings very pale brownish gray, . 6. 

 Ground color of the fore wings ochre yellow, ... 8. 

 Ground color of the fore wings brown or dark gray, 14. 



