1963] 
Evans — Cephalonomia 
153 
Eldorado Co., 2 mi. N Placerville, 18 May 1961 (JFL, no 823, ex 
Polypovus versicolor ; coll. P. Wygodzinsky) ; Marin Co., San Geron- 
imo, 16 April 1961 (JFL, no. 791, ex Polyporus versicolor ) ; Marin 
Co., Alpine Lake, 8 July 1961 (JFL, no. 846, ex Lenzites betulina) ; 
Contra Costa Co., 1.5 mi. W Danville, 12 Aug. 1961 (JFL, no. 938, 
ex Polyporus adustus) ; Contra Costa Co., 14 mi. S Clayton, 18 June 
1961 (JFL, no. 835, ex Lenzites betulina) ; Alameda Co., Oakland, 
26 Dec. 1959 (JFL, ex Polyporus versicolor) ; Santa Clara Co., 16 
mi SE Sveadal, 19 June i960 (JFL, no. 605, ex Polyporus adustus) ; 
Santa Cruz Co., Ben Lomond, 25 Feb. 1962 (JFL, no. 994, ex Foines 
pinicola) ; Fresno Co., Huntington Lake, 31 Aug. i960 (JFL, no. 
675, ex Fomes annosus) . ARIZONA: Cochise Co., Rustler Park, 8 
mi. W Portal, 8 Aug. 1961 (JFL, no. 924, ex Fomes sp.) ; Cochise 
Co., 5 mi. SSW Portal, 4 Aug. 1961 (JFL, no. 899) ; Cochise Co., 
2 mi. SW Portal, 9 Aug. 1961 (JFL, no. 928, ex Trametes hispida) ; 
Southwestern Res. Sta., 5 mi. SW Portal, 5 Aug. 1961 (JFL, no. 
902, ex Ganoderma lucidum) ; same locality, 7 Aug. 1961 (JFL, no. 
916, ex Trametes hispida) ; Cochise Co., 15 mi. E Douglas, 5 Aug. 
1961 (JFL, no. 906, ex Trametes hispida). BAJA CALIFORNIA: 
San Jose Island, 11 April 1962 (R. Moran, no. 9415, ex Ganoderma 
sp.) ; Cerralvo Island, 16 April 1962 (R. C. Banks, ex Ganoderma on 
Ficus) ; 0.7 mi. NW El Triunfo, 9 January 1959 (H. B. Leech, ex 
ciid in fungus). NAYARIT: San Bias, 28 December i960 (JFL, 
no. 746; coll. P. DeBenedictis, ex Ganoderma sp.). 
Holotype and paratypes to be deposited in the California Academy 
of Sciences; paratypes at the California Insect Survey, U. S. National 
Museum, Museum of Comparative Zoology, and collection of J. F. 
Lawrence. 
Description of alate male. — Total length about 0.7 mm. to 1.1 
mm. Head length .253-. 336 mm.; head width .80-. 88 X head length 
(mean .84). Wings long, extending beyond apex of abdomen; ocelli 
strongly developed. Body dark brownish-fuscous; antennae dark 
brown ; legs dark brown except tarsi straw-colored to light brown, 
tibiae often with a faint pale annulation at base; wings hyaline. Man- 
dibles with a strong apical tooth and three small additional teeth; 
clypeus truncate apically, its median area roundly elevated. Antennae 
inserted well below level of bottoms of eyes; first four segments in a 
ratio of about 7 :3 :2 :2 or 7:3:1 :i, apical segment large, 2. 3-2. 8 X as 
long as wide. Eyes prominent, weakly hairy, removed from base of 
mandibles by about .3 X their own height, removed from vertex 
crest by .7-1.0 X their own height. Minimum width of front 
