NO. 2136. REVISION OF THE GENUS APHYCUSTIMBERLAKE. 637 



Described from six females, two males (type, allotype, and para- 

 types a to /) reared from Coccus Jiesperidum Linnaeus, Santa Paula, 

 California, August 15-28, 1912; one female, three males (paratypes 

 g to j) from same host, Whittier, California, April 21, 1Q11; four 

 females (paratypes fc to ri) from same host, Carpenteria, California, 

 September 20-22, 1912; two females (paratypes o and p) from 

 same host, Sacramento, California, November 22, 1912; one female 

 (para type 'q) reared from Saissetia oleae (Bernard), Chula Vista, Cali- 

 fornia, September 5, 1912; and one female (paratype r) from the 

 latter host, Sweetwater Dam, California, September 10, 1912 (P. H. 

 Timberlake). Additional specimens in the writer's collection from 

 most of the above localities may be considered as metatypes; also 

 three females, two males reared from Coccus citricola Campbell, 

 Claremont, California, July 10-17, 1912 and 1913 (R. E. Campbell). 

 .Csii. No. 18377, U.S.N.M. 



40. APHYCUS OREGONENSIS Howard. 



Fig. 54. 

 Aphycus oregonensis HOWARD, Proc. U. S. Nat. Mus., vol. 21, 1898, pp. 241, 246. 



Male. Front and vertex nearly twice as long as wide and ocelli in 

 an acute-angled triangle (in the largest co type) or front and vertex only 

 about one-half longer again than wide and ocelli in an equilateral tri- 

 angle or nearly so (in rest of co types, which are considerably smaller) ; 

 posterior ocelli about one-half their own diameter from the eye 

 margin ; a.n tennal scrobes broad and shallow ; eyes with a fine, delicate 

 pubescence. Antennal scape flattened and but slightly expanded, 

 widest just beyond the middle, nearly four times longer than wide; 

 pedicel as long as first two and one-half of the third funicle joint; 

 first four funicle joints of equal length, the last two longer, the sixth a 

 little longer than the fifth, first joint about as long as wide, the follow- 

 ing increasingly wider, the last nearly twice as wide as the first; club 

 oval, rounded at apex, hardly wider than the preceding joint and as 

 long as the last four funicle joints combined. Wings uniformly 

 ciliated ; oblique hairless streak widened and interrupted below, the 

 large cut-off portion uniting with an indistinct branch of the basal 

 hairless streak. Length, 0.9 to 1.2 mm. 



Front, vertex, and mesonotum dull orange yellow; face, cheeks, 

 occiput, and under parts yellowish white, the cheeks with a large 

 brownish spot next to the mandibles, and the center of occiput above 

 the neck dusky; concealed part of. pronotum, anterior margin of 

 mesoscutum, most of metanotum, propodeum, and dorsum of abdo- 

 men brownish black; collar of pronotum and tegulae whitish, the for- 

 mer with a blackish dot on each corner, the latter with their posterior 

 margin pale brown; sutures of mesonotum lined with blackish and 

 the mesoscutellum slightly brownish. Antennal scape blackish 



