232 PROCEEDINGS OF THE NATIONAL MUSEUM vol.90 



Labial palpus, antenna, head, thorax, and fore wing fuscous over- 

 laid, strigulated, or otherwise marked with white. Second segment of 

 labial palpus white beneath at base; from basal third irrorated and 

 mixed with white scales; third segment white exteriorly. Antenna 

 white beneath. Head and thorax almost entirely overlaid with white. 

 Edge of costa of fore wing white from base to apical third ; central 

 portion and apex of wing strongly dusted and overlaid with white; 

 at basal third, in cell, a blackish-fuscous spot followed by a similar 

 one at the end of cell ; on vein Ic an elongate, blackish-fuscous spot, 

 slightly nearer the inner and outer discal spot ; vein 7 marked with a 

 more or less distinct longitudinal, blackish-fuscous streak; around 

 termen a poorly defined series of blackish-fuscous spots; cilia white 

 with a light fuscous median band. Hind wing grayish fuscous, darker 

 apically ; cilia pale fuscous with an indistinct, darker, subbasal band. 

 Legs fuscous marked with silvery white; hind tibia and tarsus 

 ochreous-white, the latter overlaid with fuscous exteriorly except at 

 joints. Abdomen shining grayish fuscous. 



Male genitalia. — Harpe slender, rather abruptly narrowed beyond 

 middle ; cucullus narrowly rounded. Anellus with a narrow, strongly 

 sclerotized portion and long, slender, bluntly pointed lateral processes. 

 Aedeagus slender, curved, somewhat dilated at each end ; vesica armed 

 with a few weakly sclerotized, short cornuti and with a small weakly 

 sclerotized folded area. Vinculum narrowly rounded. Gnathos long, 

 beaked, pointed, with a scobinate posterior surface. Uncus stout, 

 pointed. 



Female genitalia. — Genital plate membranous. Ostium large, oval, 

 transverse. Ductus bursae depressed and sclerotized in posterior third ; 

 inception of ductus seminalis at anterior third. Bursa copulatrix 

 large, oval, elongate ; signa consisting of two slender, thornlike proc- 

 esses from posterior surface of bursa, and a transverse, lunate plate 

 slightly posterior to middle of bursa ; at right angles to the long axig 

 of the plate, one third from each end of inner surface, two flattened, 

 pointed processes. 



Alar expanse, 15-20 mm. 



Type. — In the United States National Museum. 



Type locality. — Placer County, Calif. 



Food plant. — Unknown. 



Distribution. — Southwestern United States. 



United States records 



Arizona: Pinal Mountains, alt. 5,000 feet, 9 (May 15, 1925, O. C. Poling). 



California: Camp Baldy, San Bernardino Mountains, $, 9 (June 24-30, July 

 16-23) ; Gavilan HiUs, Riverside, S (2-V-1935, C. M. Dammers) ; Havilah, 

 2 S $ (June 1-7) ; Los Angeles, S ("IV-22," O. Buchholz) ; San Diego, 

 S, 9 (8-12-V-1907, W. S. Wright), $ ("9-V-23," no collector), 2 S $ (no 

 date, Ricksecker) ; Shingle Springs, El Dorado County, 6 $ $ (16-V-1931, 

 7-V-1934, H. H. Keifer). 



