CALIFORNIA ACADEMY OF SCIENCES. 21 



16 — L. sublesta u. sp. — Very moderately robust; head and abdomen black, 

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

 lowish-rufous; labrum aud antennae fuscous, the latter pale testaceous toward 

 tip; palpi slightly paler, brownish; legs pale brownish-flavate throughout; 

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

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

 long as wide; base broadly arcuate, angles broadly rounded; sides parallel aud 

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

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

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

 more sparsely so in the middle; median impunctate area narrow; antennte 

 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 and sparsely 

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

 area rather broad. Elytra at base distinctly'' wider than the prothorax; sides 

 parallel and feebly arcuate; together broadly and very feebly sinuate behind; 

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

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

 nearly one-half longer than the pronotum, very minutely, rather feebly, 

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

 er than the elytra; sides parallel and very feebly arcuate; surface minutely, 

 exceedingly densely and evenly punctato-asperate. Legs rather long and 

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

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

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



Napa Co., 1 5 . 



The fifth segment is broadly impressed in the middle 

 throughout its length; 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 middle of the eniargination 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 11- sp.— Moderately robust and depressed; head, pro- 

 notum and abdomen black, the latter very slightly paler at the apex; elytra dark 



