506 U. S. NATIONAL MUSEUM BULLETIN 216 



particularly the subapical ones, whitish. The whitish apical margins 

 of most of the tergites have a sublateral constriction or interruption 

 and the subapical tergites have their lateral edges very broadly whitish. 



Type: 9, Glendale, Calif., June 11, 1949, E. I. Schlinger (Washing- 

 ton, USNM 63731). 



Parat}^pes: 9, Glendale, Calif., Oct. 30, 1949, E. I. Schlinger 

 (Townes). 9, Mix Canyon, Solano Co., Calif., Mar. 4, 1936 (Townes). 

 9, San Mateo Co., Calif., May 7, 1916, E. C. Van Dyke (San Fran- 

 cisco) . 



4. Xorides (Xorides) semirufus, new species 



Male: Unknown. 



Female type: Front wing 6.3 mm. long; temple polished and with 

 small scattered punctures that are separated by an average of three 

 times their diameter; areola very broadly pentagonal; median longi- 

 tudinal carinae of propodeum fused for a considerable distance basad 

 of areola; first tergite stout basally, 1.75 as long as wide; secoDd tergite 

 with rather coarse, crowded punctures. 



Head and mouth parts brownish ferruginous; antenna black, its 

 flagellum with a white band covering 3.4 segments; thorax and tegula 

 f ulvof erruginous ; legs blackish, their second trochanters and bases of 

 tibiae and of basitarsi white; abdomen blackish brown, the apical 

 margin of third through seventh tergites whitish with a sublateral 

 interruption. 



Type: 9, 2 miles west of Archer, Fla., Mar. 25, 1953, H. F, Howden 

 (Washington, USNM 63732). 



5. Xorides (Xorides) peniculus, new species 



Figures 3 13,d; 328, j 



Male: Front wing 4.0 to 5.4 mm. long; temple polished, with small 

 punctures that are separated by 2 to 4 times their diameter; erect 

 hairs on flagellum about twice as long as flagellar diameter, their tip 

 curved over; areola broadly pentagonal; median longitudinal carinae 

 of propodeum fused for a short distance basad of areola; first tergite 

 about 2.0 as long as wide, with a distinct constriction just beyond the 

 spiracle; second tergite with coarse, crowded punctures. 



Blackish, often more or less stained with ferruginous or sometimes 

 the thorax mostly ferruginous. Scape in front often whitish apically; 

 clypeus brown; palpi and front and middle coxae white; tegula fulvous; 

 front and middle femora brown, white at base, apically, and often on 

 much of front; front and middle tibiae white, brown below, on apex, 

 and in a narrow subbasal band ; middle and hind tarsi brown, the base 

 of their basitarsi white and their fifth segment fuscous; hind coxa and 

 first trochanter fulvous brown to dark brown, the apex of both white; 

 hind second trochanter white; hind femur fulvous, white on extreme 



