102 CALIFORNIA ACADEMY OF SCIENCES. 



Description. Body, length 1.72 mm., width .5 mm.; 

 strongly marked, abdomen with large, lateral, transverse 

 blotches and an uncolored longitudinal median line. 



Head, length .47 mm., width .35 mm. ; elongate conical, 

 front truncate, bare (?); trabecular small but distinct; 

 temporal margins subparallel, with one hair near posterior 

 angle; antennal bands distinct, dark brown, bending in- 

 wards at the suture, and with posterior extremity expanded ; 

 temporal margins narrowly edged with dark brown ; oc- 

 cipital bands indistinct, diverging, more strongly colored 

 at base. 



Prothorax with rounded angles, bare (?); posterior 

 margin flatly convex, with colored lateral border. Meta- 

 thorax with rounded anterior angles, diverging sides and 

 obtuse posterior angles; angulated on abdomen; two or 

 more hairs in posterior angles; lateral borders colored. 

 Legs concolorous with body, with darker narrow margins. 

 Sternal markings consisting of two pairs of intercoxal 

 lines. 



Abdomen elongate elliptical ; posterior angles of posterior 

 segments with short hairs ; each of segments 2-7 with a 

 marginal black blotch, widest anteriorly and projecting 

 inward along the anterior margin of segment, but paling 

 to brown; this projection stops at a median, longitudinal, 

 uncolored line, turns posteriorly to the posterior margin 

 of the segment and runs along the segment outwardly for 

 a short distance; that part of the lateral portion of the 

 segment not colored by this black and dark brown curv- 

 ing blotch is golden brown; segment 8 wholly colored 

 with narrow, black, lateral margin; segment 9 uncol- 

 ored, with two small, brown blotches; posterior margin 

 feebly emarginate. 



