482 CALIFORNIA ACADEMY OF SCIENCES. 



front; two short hairs just beyond the anterior angles, 

 one short hair at the suture, and two slightly longer ones 

 in front of the rather small trabecular ; eye distinct, with 

 a long hair; temporal margins flatly convex, with two 

 long hairs; occipital margin weakly concave and sinuous, 

 bare; ground color of head pale yellowish brown with 

 narrow dark brown antennal bands, pale colored signa- 

 ture and narrow brown temporal margins fading out pos- 

 teriorly; oesophageal sclerite showing through, and oc- 

 cipital bands indicated, especially at their posterior ends. 



Prothorax small, with slightly rounded rectangular pos- 

 terior angles and straight posterior margin, with one hair 

 in posterior angles ; pale lateral borders which bend in- 

 ward at posterior angles. Metathorax short, broad, an- 

 gulated on abdomen, with indistinct lateral blotch and six 

 hairs along each latero-posterior margin arranged in two 

 groups of three each. Legs concolorous with the pale 

 body, with darker marginal blotches on femora and tibiae. 



Abdomen narrow, with few longish hairs in posterior 

 angles of segments and a transverse series of a few long- 

 ish hairs across each segment interrupted in the middle; 

 lateral bands translucent pale brown, the segmental por- 

 tions passing the sutures and projecting somewhat inward ; 

 indications of median transverse bands; last segment con- 

 spicuous, projecting, flatly rounded behind, and with a few 

 longish hairs; genitalia showing through body wall. 



Female. Body, length 1.93 mm., width .68 mm. ; head, 

 length .56 mm., width .58 mm.; abdomen more elongate 

 and subparallel-sided ; eighth segment with transverse 

 blotch entirely across segment; ninth segment slightly 

 angularly emarginate behind. 



