273 



Body of normal size for this section and with normally thick integu- 

 ment 4 



4 Prothorax shorter and more transverse, at least one-half wider than 

 long 5 



Prothorax longer, less than one-half wider than long 8 



5 Body stouter, more oval, the sides of the prothorax distinctly rounded 

 from base to apex. Moderately convex, shining and rather bright 

 to feebly aeneous in lustre, the elytra barely at all alutaceous in the 

 female; under surface shining, greenish-black, the legs pale rufous; 

 head slightly more than half as wide as the prothorax, with large 

 but only moderately prominent eyes and coarse deep and slightly 

 oblique strioles; antennae slender, fuscous, the basal joints testa- 

 ceous, with blackish apices; prothorax nearly three-fifths wider than 

 long, widest slightly behind the middle, the arcuate sides a little 

 more converging anteriorly; apex three-fourths as wide as the base, 

 sinuate, with moderately blunt and slightly prominent angles; im- 

 pressions subobsolete: punctures of the foveal region numerous, 

 small and sparse, extending almost to the middle; inner fovea short, 

 broadly impressed, sublinear, the outer rounded but excessively 

 feeble; elytra one-half longer than wide, only slightly wider than the 

 prothorax, gradually ogival posteriorly; sides feebly arcuate; striae 

 very fine, sometimes slightly punctulate, the scutellar feeble, free, 

 generally in great part wanting; intervals flat. Length (9) 6.15- 

 6.3 mm.; width 2.5-2.6 mm. California aurata Dej. 



Body more parallel, the sides of the prothorax parallel and but slightly 

 arcuate, rounding anteriorly 6 



6 Antennae longer, extending well behind the prothorax in the male, 

 shorter and extending to the thoracic base in the female. Oblong- 

 oval, rather convex and shining, the elytra barely at all alutaceous 

 in the female, black, with faint bronzy lustre, sometimes paler from 

 immaturity, the under surface piceo-rufous and the legs pale rufo- 

 flavate; head moderate, with large, rather prominent eyes and ob- 

 lique deep strioles; antennae fusco-testaceous, the first two joints, 

 and the third except at tip, paler; prothorax scarcely one-half wider 

 than long, less transverse than in the two following, the apex broadly 

 sinuate, with bluntly rounded angles; impressions nearly obsolete, 

 the stria fine; punctures numerous and distinct, confined wholly to 

 the foveal region; foveae very feebly impressed, the inner linear, the 

 outer small and rounded; elytra distinctly less than one-half longer 

 than wide, rather gradually ogival behind, slightly wider than the 

 prothorax; striae fine but sharp and deep.(cf), or very fine and more 

 superficial (9 ), the outer striae feebly punctulate and the scutellar 

 rather long, free at both ends; intervals perfectly flat (9 ), or nearly 

 so (cf). Length (cf 9 ) 6.2-6.8 mm.; width 2.7-2.8 mm. Cali- 

 fornia (Farallone Islands, San Francisco Co.), Fuchs. Three ex- 

 amples : farallonica n. sp. 



Antennae shorter and more nearly equal in the sexes, extending barely 

 beyond the thoracic base in the male; elytra more elongate; pro- 

 thorax shorter 7 



T. L. Casey, Mem. Col. VIII, Oct. 1918. 



