32 CALIFORNIA ACADEMY OF SCIENCES. 



with four very small, inconspicuous hairs on each side; 

 trabeculse small, distinct, acute, uncolored; antennae 

 rather short, segment 2 longest, segment 5 longer than 

 3 or 4, segments 4 and 5 colored, others uncolored or 

 very weakly colored; eye large, with a hair; temples 

 widest just behind the eyes; temporal margins converg- 

 ing posteriorly, nearly straight, with two long hairs 

 and prickles; occipital margin concave; head pale 

 brown in median region, temples, occipital border, and 

 antennal bands with rim around the front, dark brown; 

 a pale, almost uncolored transversal linear space in 

 front of the mouth, and a similarly pale U-shaped 

 space bounding the median region of the hind-head. 



Prothorax small, short, quadrangular as exposed, 

 with a single long hair in each rounded posterior an- 

 gle; segment wholly brown except an uncolored poste- 

 rior border. Metathorax small, not as long as broad, 

 posterior margin obtusely angled on abdomen; two 

 long pustulated hairs in a clear space on posterior mar- 

 gin near the lateral angles and two long pustulated 

 hairs in a clear space on posterior margin midway 

 between lateral angles and posterior angles; whole 

 segment brown except a small, angular, median, whit- 

 ish or uncolored space on anterior margin. Legs 

 pale brown with narrow dark brown marginal mark- 

 ings. Sternal markings consisting of intercoxal lines 

 and a shield-shaped median blotch on metasternum. 



. Abdomen elliptical, posterior angles of segments 

 projecting slightly and with one to two longish weak 

 hairs; ground color whitish with large quadrangular 

 lateral brown blotches on segments 1-7, these blotches 

 nearly meeting inwardly and separated intersegment- 

 ally by a whitish space about one-half as large as a 

 blotch; the outer margins of the blotches are blackish. 



