272 U. S. NATIONAL MUSEUM BULLETIN 216 



Black. Rim of antennal socket narrowly brown; clypeus white, its 

 base brownish; mouth parts, scape, and pedicel except above, tinge on 

 base of flagellum below, tegula, subtegular ridge, hind corner and 

 anteroventral part of pronotum, propleurum, lateral and anterolateral 

 edge of mesoscutum broadly, narrow stripe on inner margin of lateral 

 lobe of mesoscutum, margin and apex of scutellum, postscutellum, 

 much of prepectus, spot on mesopleurum next to middle coxa, 

 mesepimeron, coxae, trochanters, and front and middle femora, white 

 or whitish; meso thorax and metathorax fulvous; propodeum fulvous, 

 infuscate apically and basally; front and middle tibiae and tarsi 

 light brown, the tibiae whitish above, somewhat darker brownish 

 apically; hind femur light fulvous, whitish at apex and below; hind 

 tibia whitish, brown below, on the apical 0.3, and in a narrow sub- 

 basal band; hind tarsus fuscous, the first segment stramineous at 

 base; second through fifth tergites narrowly light brown at base. 



Female: Unknown. 



Type: cT, Santa Rita Mts., Ariz., Aug. 18, 1935, R. H. Beamer 

 (Lawrence) . 



8. Zatypota walleyi, new species 



Front wing of male 3.1 to 3.5 mm. long, of female 3.5 to 4.4 mm. 

 long; mesoscutum uniformly mat; metapleurum subpolished; pro- 

 podeum uniformly mat, its petiolar area not defined, its median 

 longitudinal carinae indicated by faint rounded ridges which extend 

 about 0.7 its length, its lateral longitudinal carina sharp on its apical 

 third and represented more basad by a low rounded ridge; hind femur 

 about 4.9 as long as deep; nervulus distad of basal vein by about 0.5 

 its length; discoidella always absent; nervellus a little inclivous; 

 third tergite mat, less strongly mat apicad of apical transverse groove, 

 its grooves with short, fine, longitudinal wrinkling. Structure 

 otherwise as described for Z. parva. 



Colored like Z. nigriceps except that the hind femur is fulvous 

 with only a faint apical infuscation and that the entire basal third 

 of hind tibia is more or less brown, usually dark brown at base of 

 tibia and becoming paler toward apex of the brown area. 



Type: 9, Sweetsburg, Que., July 7, 1936, G. S. Walley (Ottawa). 



Paratypes: 9, Casco, Maine, Aug. 12, 1944, J. C. Bradley (Ithaca). 

 d\ Otsego Co., Mich., July 4, 1953, R. R. Dreisbach (Dreisbach). 9, 

 Holliston, Mass., N. Banks (Cambridge). 9, Georgetown, Ont., 

 Sept. 1, 1893 (Ottawa). 9, Lucknow, Ont., July 13, 1951 (Ottawa), 

 cf , 9, Aylmer, Que., July 4 and 18, 1924, C. H. Curran (Ottawa). 



