24 CALIFORNIA ACADEMY OF SCIENCES. 



first antennal segment and are uncolored; eye with a 

 prickle; temporal margins with one long hair in the 

 apex of the rounded, nearly right angle; occipital mar- 

 gin bare, very flatly convex; ground color whitish with 

 a faint golden brown tinge; forehead and temporal 

 margins narrowly bordered with blackish brown; front 

 of clypeus uncolored; antennae uncolored; occipital 

 margin not bordered or only very narrowly and indis- 

 tinctly so, an indistinct, pale brown, shield-shaped 

 occipital signature showing through. 



Prothorax very short, widely rectangular; a single 

 longish hair in posterior angles; color whitish, with 

 the intercoxal lines of under side showing through, 

 and distinct blackish brown lateral borders. Meta- 

 thorax short, lateral margins bare, sinuous; posterior 

 margin flatly convex, with six or seven longish hairs 

 on each half beginning in the posterior angle; whitish, 

 with an uneven, blackish brown lateral border, and the 

 strongly colored intercoxal lines of underside showing 

 through. Legs whitish with blackish brown dorsal 

 marginal markings. Sternal markings consisting of 

 distinct intercoxal lines and indistinct pale median 

 blotches. 



Abdomen narrowest anteriorly, widening posteriorly 

 to segment 4; segments 4-6 about same width, segment 

 7 slightly narrower, segments 8 and 9 short; short, weak 

 single hairs in posterior angles of segments 3-7, with 

 one or two shorter, weaker hairs in segments 5-7; dor- 

 sal surface with no or very inconspicuous hairs; whitish 

 with distinct, rather broad, blackish brown lateral bands 

 on segments 1-7, the segmental parts of the bands 

 passing the suture and separated by nearly uncolored 

 narrow spaces; covering the middle region of segments 

 6-7 a large, pale brown, shield-shaped blotch; segment 



