374 CALIFORNIA ACADEMY OF SCIENCES. 



variety of delectahilis. Figures will be found on pi. ix, 

 Biol. Cent. Amer., vol. iii, pt. i. 



AcM^EODERA CLAUSA n. sp. Plate vii, lig. 3. 



Similar in general form to o}-nata, but with narrower 

 thorax and slightly more convex, color piceous slightly 

 coppery bronze, elytra less distinctly so, elytra and sides 

 of thorax ornate with yellow. Front feebly convex, closely 

 punctate, a small smooth space at middle, sparsely hairy. 

 Thorax fully twice as wide as long, widest at base, sides 

 regularl}^ arcuately narrowed from base to apex, lateral 

 margin not visible from above except near the base, disc 

 rather flat, a vague triangular depression at middle, at 

 sides flattened, a fovea each side near the base and a 

 post-apical impressed line extending from angle to angle, 

 surface coarsely and very closely punctate at sides, be- 

 coming finer and sparser at middle, yellow border at 

 sides not reaching the front angles. Elytra gradually 

 narrowed from base to apex, sides serrulate, disc slightly 

 convex, strice slightly impressed at sides and apex, punc- 

 tures of strice rather fine, becoming much coarser from 

 the fifth outward and near the apex, intervals uniseriately 

 punctate and near the apex submuricate ; an oblique yel- 

 low spot in the scutellar region, outer interval yellow to a 

 varying extent, a very irregular band at middle, an oblique 

 band one-third from apex, not reaching the suture, a sub- 

 apical oblique band. Presternum in front vaguely tri- 

 sinuate, at middle sparsely at sides variolately punctate. 

 Metasternum nearly smooth at middle, closely punctate 

 and hairy at the sides. Abdomen moderately coarsely 

 punctate, smoother at middle, sparsely pubescent. Last 

 ventral with a distinct double margin at apex. Length, 

 .37— .40 inch; 9.5— 10 mm. 



This species belongs to the series of the " sinuatae," 



