44 



Fore wings cream white, with a few scattered brown scales ; a 

 brown spot before the base of the fissure and another between 

 that and the costa, upon which is a brown line ; the apex of each 

 lobe sprinkled with brown, and on the apex of the first lobe are 

 two or three small brown spots or dashes. Fringes cream white, 

 tinged with brown on the outer margin. Hind wings very pale 

 cinereous ; fringes slightly darker about the ends of the feathers. 



Habitat. Southern Oregon. Food plant, Helianthus. 



PTEROPHORUS STRAMINEUS. 



Lioptilus stramineus Wlsm., Pter. Cal. and Ore., p. 41, Plate III., fig. 3 

 (1880). 



Expanse of wings, 19 mm. Head yellowish brown above and 

 in front, yellowish white between the antennae ; palpi and anten- 

 nae pale straw color above, brownish beneath. Thorax, abdomen, 

 legs and spurs pale straw color; Fore wings straw color, with a 

 slightly brownish streak extending from the base along the lower 

 half of the wing, and one running obliquely on the costa, pointing 

 inward toward a brown spot at the base of the fissure. Fringes 

 grayish, slightly tinged with brown. Hind wings and fringes 

 pale grayish brown. 



Habitat. Southern Oregon. Early stages and food plant un- 

 known. 



PTEROPHORUS -ANGUSTUS. 



Lioptilus angustus Wlsm., Pter. Cal. and Ore., p. 43, Plate III., fig. 4 

 (1880). 



Expanse of wings, 18 mm. Head very pale straw color; palpi 

 straw color above, tinged with brownish on the sides ; antennae 

 whitish, with indistinct ochreous spots above. Thorax and abdo- 

 men pale straw color. Legs whitish. 



Fore wings narrow, very pale straw color tinged with ochreous ; 

 a dark fuscous dot at the base of the fissure. Fringes very pale 

 straw color except at the outer end of the fissure above and below 

 where they are grayish. Hind wings pale cinereous ; fringes paler. 



Habitat. California. Early stages and food plant unknown. 



It differs from stramineus in having no costal streak. 



PTEROPHORUS SULPHUREODA.CTYLUS. 

 Pterophorus sulphureodaclylus Pack., Ann. Lye. Nat Hist., N. Y., 



Vol. X., p. 266 (1873). 

 Lioptilus sulphureus Wlsm., Pter. Cal. and Ore., p. 48, Plate 



III., fig. 7 (1880). 



Expanse of wings, 25 mm. Head ochreous. Palpi whitish 

 yellow, streaked with ochreous; antennae long, yellowish, tinged 



