194 U. S. NATIONAL MUSEUM BULLETIN 209 



Blackish. Wings hyaline, the apex of the forewing faintly infuscate ; 

 fore femur blackish brown, paler apically; middle and hind femora 

 rufous, more or less infuscate basally; tibiae and tarsi dusky rufous to 

 dark brown; spurs of front and middle tibiae white, those of the hind 

 tibia fuscous; first three abdominal segments rufous; seventh tergite 

 with a large whitish spot. 



Female: Forewing 3.2 to 6.0 mm. long; pubescence of head and 

 thorax of normal density; apical hairless margin of clypeus narrow, 

 polished, separated from the rest of the clypeus by a small sharp 

 groove. 



Black. Clypeus often stained with rufous apically; wings subhya- 

 line, the apical 0.35 ± of forewing somewhat infuscate; legs dark brown 

 to blackish; abdomen rufous. 



The type of Alasagenia rubineus does not have teeth on the hind 

 tibia, in spite of the indication in its description that these are present. 



Specimens (280^, 689): From Arizona (Nogales); California (Berke- 

 ley, Brawley, Lake Britton in Shasta County, Lindsay, Los Angeles 

 County, Menlo Park, Mount Hermon in the Santa Cruz Mts., San 

 Rafael, Sugar Pine in Madera County at 4,300 to 5,000 ft., and 

 Tahoe); Colorado (Poudre Canyon in Larimer County at 5,200 ft.); 

 District of Columbia (Washington); Florida; Georgia (Tifton); 

 Louisiana (Opelousas and Tallulah) ; Nevada (Reno) ; North Carolina 

 (Southern Pines); Texas (Brownsville, Gaudalupe River at Victoria, 

 Port Isabel in Cameron County, and Valentine); Virginia (Dunn 

 Loring); and Mexico (Acapulco, El Salto, and Nombre de Dios in 

 Durango, Huauchimango in Puebla, San Blase in Nayarit, Sombrerete 

 in Zacatecas, and Zimapdn in Hidalgo). 



Collection dates are mostly in July and August, with the following 

 records unusually early and late: May 23 at Valentine, Tex.; June 1 

 at Washington, D. C; Sept. 9 at Washington, D. C; and Sept. 11 

 at Reno, Nev. A male and a female have been collected on flowers 

 of Asclepias, and the following four females were taken with prey: 

 9, with immature Zelotus sp., Menlo Park, Cahf., July 13, 1937, 

 F. X. Williams; 29, both with females of Gnaphosa sericata, Washing- 

 ton, D. C, June 1945, M. Vogel; 9, with an immature of Ardosa 

 littoralis, Fort Colhns, Colo., Aug. 21, 1948, H. E. Evans. A female 

 was taken at Dunn Loring, Va., Aug. 13, 1950, by K. V. Krombein 

 while it was being closely pursued (within 2 to 5 cm.) and somewhat 

 annoyed by two females of Ceropales hatoda as it ran along the ground. 

 It had no prey. 



This species is transcontinental in the Upper and Lower Austral 

 Zones. Adults are on the wing tlu-oughout the summer, being most 

 common in July and August. 



