86 CALIFORNIA ACADEMY OF SCIENCES. 



Head, length .6 mm., width .6 mm.; broadly conical, 

 forehead especially broad; front truncate with a hair on 

 dorsal surface in rounded anterior angle, projecting for- 

 ward behind the hair two very short ones (not marginal, 

 and showing through from underside), and behind them 

 a very long hair; at suture a short marginal hair, and be- 

 hind the suture two curving hairs on dorsal surface near 

 the margin and projecting beyond the margin; trabecular 

 large, broad and colored at base with rapidly tapering un- 

 colored tip ; antennae, weakly colored, first segment thick, 

 second segment slender as long as first segment, third, 

 fourth and fifth short and about equal; temporal angles 

 with three long pustulated hairs, also a marginal hair just 

 behind the eye and a long one in the eye ; occipital 

 margin slightly convex in the middle and slightly concave 

 each side of the middle; signature pale, broad, truncate 

 anteriorly and with long, acuminate, darker colored tip 

 projecting beyond the mandibles; antennal bands pale, 

 interrupted by the distinct clypeal sutures, and coalescing 

 with the much darker, conspicuous, widely diverging oc- 

 cipital bands ; temporal margins narrowly edged with 

 black. 



Prothorax short with rounding angles, posterior margin 

 flatly convex and a single long pustulated hair behind the 

 posterior angles; lateral margins with even black borders 

 bending inwards, narrowing and paling on posterior mar- 

 gin. Metathorax broadly pentagonal, posterior margins 

 thickly set with aline of long pustulated hairs; lateral 

 margins unevenly bordered with dark brown and black, 

 broadest in lateral angles. Legs smoky with darker 

 markings, and uncolored extremities of tibiae, tarsi and 

 claws. 



Abdomen ovate, with several long marginal hairs in 

 posterior angles of segments; segments 1-7 each with a 



