ICHNEUMON-FLIES — GELINAE : MESOSTENINI 289 



stripe above that covers about 3 segments; head and thorax of male 

 usiiall}' more extensively fuscous than in subspecies calipterus, often 

 more than half fuscous; j^ellow areas on wings less extensive than in 

 subspecies calipterus, the apical j-ellow area of front wing seldom 

 reaching subdiscoidal vein and basal transverse fuscous band of front 

 wing broader than in calipterus. 



Specimens (127 cf, 112 9): From California (Antioch, Artois, Bo- 

 linas, Brentwood, Claremont, Coronado, Costa Mesa, Cucamonga, 

 Davis, Dos Palos, Firebaugh, Fort Tejon in Kern Co., Glendale, 

 Hemet, Ir\'ington, Lake Curry in Solano Co.?, Los Angeles, Marion 

 iVIountain Camp in San Jacinto IVIountains, Millbrae, Mount Diablo, 

 Newport Bay in Orange Co., Oakland, Oxalis in Fresno Co., Oxnard, 

 Palo Alto, Pasadena, Patterson, Pismo, Pleasanton, Poway, Putah 

 Creek, Redding, R^^er Island in Solano Co., Sacramento, San Andreas, 

 San Bernardino Co., San Clemente, San Diego, San Francisco, San 

 Jose, Santa Barbara Foothills, Santa Catalina Island m Los Angeles 

 Co., Santa Cruz, Santa Paula, Saticoj^, Sobrante, Stanford Univer- 

 sity, Tanbark Flat in Los Angeles Co., Tolay Creek in Sonoma Co., 

 Tracy, Vacaville, Ventura, Vernalis, Vina, Westley, Westwood Hills 

 m Los Angeles Co., and Woodland). 



Dates of collection are distributed from April through October, 

 with a concentration of them in June, July, and August. Dates out- 

 side of the April-October range are: January 19 at Westwood HiUs, 

 Los Angeles Co., Calif.; March 4 at Claremont, Cahf. ; "November" 

 at Los Angeles, Cahf. ; November 2 at Pleasanton, Calif. ; and Decem- 

 ber 20 at Davis, Calif. 



This subspecies occurs in California, ranging from the coast into 

 the foothills of the Sierra Nevada. In southern California it inter- 

 grades with and in some areas is replaced by the subspecies calipterus. 



4. CompsocrjTJtus aridus, new species 



Figure 361 



Male: Front wing 7.3 to 10.2 mm. long; temple at midlieight about 

 0.86 as long as eye, wealdy convex; punctures on mesopleurum mod- 

 erately coarse and strong, separated on the average by 0.4 their 

 diameter; basal transverse carina of propodeum complete or incom- 

 plete ; apical carina complete, incomplete, or absent. 



Fulvoferruginous. Area on lower part of frons, occiput, and re- 

 stricted sutural markings on thorax, black; apical 0.35 of flagellum 

 dark brown; hind tibia infuscate apically; hmd tarsus fulvous; wings 

 colored as in female; base of third tergite with a pair of transverse 

 fuscous spots. 



Female: Front wing 7,5 to 9.4 mm. long; temple at midheight about 

 0.82 as long as eye, moderately convex; second flagellar segment 



