CALIFORNIA ACADEMY OF f^CIEXCES. 21 



16 — L, sublesta u- ^^P- — Very moderateh- robust; head and al;clomeulilack, 

 the latter scarcely paler at tip; prouotum very dark fuscous; elytra dark yel- 

 lowish-rufous; labrnm aud auteima; fuscous, the latter pale testaceous toward 

 tip; i^alpi slightly paler, brownish; h-gs i^ale brownish-flavate throughout; 

 pubescence very sparse anteriorly, moderately dense and fine on the elytra, 

 verj' dense, fine and sericeous on the abdomen; shining. Head moderate, as 

 long as wide; base broadlj' arcuate, angles broadlj' rounded; sides parallel and 

 nearlj' straight; eyes at nearly twice their length from the base, somewhat 

 prominent; epistoma moderately produced, truncate at tip; laljrum moderate 

 in size; occiput moderately convex, finely aud somewhat densely punctate, 

 more sparsely so in the middle; median impunctate area narrow; antenu;o 

 nearly as long as the head and prothorax together, basal joint scarcely as long 

 as the next two combined, second nearly as long as the third, slightly longer 

 than the fourth, tenth as long as wide. Prothorax very slightly wider than 

 long, equal in width to the head; sides parallel and feebly arcuate; base 

 broadly, evenly and moderately arcuate throughout; apex very feebly arcuate; 

 nuchal emargination excessively feeble, rather wide; apical angles rather 

 broadly rounded, basal more broadly so; disk transversely, evenly and feebly 

 convex, finely margined along the base, extremely feebly, finely aud sparsely 

 punctate above, three times as densely so near the sides; median impunctate 

 area rather bi'oad. Ebjira at base distinctly wider than the prothorax; sides 

 parallel and feebly arcuate; together broadly aud very feebly sinuite behind; 

 disk depressed above, strongly convex at the sides, narrowly and distinctly 

 impressed along the slightly elevated suture, one-fifih longer than wide aud 

 nearly oue-half longer than the prouotum, very minutely, rather feebly, 

 densely, evenly and sub-asperately punctate. Abdomen very slightly narrow- 

 er than the elytra; sides par.dlel and very feebly arcuate; surface minutely, 

 exceedingly densely and evenly punctato-asperate. Le(js rather long aud 

 slender; anterior tarsi rather strongly dilated, posterior long and slender, 

 first joint about one-fourth lojiiier than the second, slightly shorter than the 

 fifth and as long as the third and fourth together. Length 4.2 mm. 



Napa Co., 1 3 . 



The fifth segmoiit is broudly impressed in the middle 

 throughout its lengtli; the apex is very broadly emarginate, 

 the sides of the notch being rather feebly convergent ante- 

 riorly and each having a fringe of about eight robust spin- 

 ules; in the michlle of the emargination there is a very short 

 broad process, broadly arcuate posteriorly; sixth segment 

 parabolically emarginate, notch one-half wider than deep: 

 seventh narrowly divided. 



17— L. COnsanguinea u- sp.—^Ioderately robust and depressed; head, pro- 

 uotum and abdomen black, the latter very slightly pak-r at the apex; elytra dark 



