l6o CALIFORNIA ACADEMY OF SCIENCES. 



ocular fringe of short stiff hairs, and in the temporal an- 

 gles four long hairs and several short ones : occipital 

 margin broadly and shallowly concave and with four hairs; 

 dark brown ocular blotches, distinct black flecks in the 

 eyes, and a narrow, dark brown, occipital border. 



Prothorax with posterior margin broadly and evenly 

 rounded with fourteen long hairs in a series extending from 

 lateral angle to lateral angle ; a narrow transverse line in 

 front of the middle and a short longitudinal line at each 

 end of the transverse line ; the lateral angle regions slightly 

 darker than rest of segment. Metathorax with diverging 

 sides, straight or very flatly convex posterior margin; 

 along the sides three short spines, of which the first two 

 project upwards and the third outwards beyond the mar- 

 gin; in the posterior angles are two long hairs, then a 

 short spine, and then a series of twelve long, strong hairs 

 ranged along the posterior margin. Legs concolorous 

 with body. 



Abdomen elongate ovate, with long hairs in the poste- 

 rior angles of segments and a series of long hairs along 

 the posterior margin of each segment; ground color' 

 whitish showing in broad, transverse sutural bands; each 

 segment with a pale, reddish brown, transverse band, 

 darker and with a subtransparent, curving space at each 

 end; posterior margin of last segment smoothly rounded 

 with a few rather long weak hairs. 



Female larger, length 2. mm., width .78 mm.; head, 

 length .3 mm., width .53 mm.; abdomen more elongate, 

 last segment less broadly rounded, and with a narrow, 

 transparent, posterior border thickly fringed with fine 

 transparent hairs. 



