782 



FAMILY XXXIX. BUPRESTIIXK 



14X4 (457!)). DICERCA OBSCURA Fab., Ent. Syst., I, 1798, lt)0. 



Resembles closely tlie next species. Distinguished by its duller color, 

 inure depressed form, and by having the punctured impressed spaces of 

 elytra larger and inure distinct. The thorax is feebly narrmved from base 

 to apex, nut broadest at middle, as in luriilu, and has a large oblique im- 

 pression on each side. Length 1(5-1 S mm. 



Posry County; rare. November !). One in Webster collection 

 labeled "Ind." 



14S5 (4579a). 



DICERCA LURIDA Fab., Joe cit. 



Elongate-oval. Grayish-bronzed above, dull cu- 

 preous beneath. Thorax one-half wider than long; 

 side margins broadly rounded on apical two-thirds ; 

 surface rather evenly and coarsely punctured on tin- 

 sides, the disk smoother. Elytra striate, the intervals 

 coarsely punctate; surface with a number of small. 

 densely punctate impressions; apices but little pro- 

 lunged, the tips bidentate. Length 14-19 mm. (Fig. 

 29G. ) 



Throughout the State; frequent. May 20- 

 August 16. Occurs on hickory, in the wood of 

 which the larva? live ; also beneath stones. Listed 

 as a variety of olscura, but probably a valid 



Fig. 296. (After Packard in 

 Fifth Rep. LI. S. Ent. Comm. 



14.xi; (4581). DICERCA SPRETA Gory, Mon. Buprest, IV, 1837, 108. 



Oblong-oval. Above brassy-bronzed, beneath cupreous. Front concave, 

 with a transverse carina between the bases of antenna?. Thorax one-half 

 wider than long, sides rounded in front, parallel on basal half; disk with 

 four elevated smooth lines, between which and on the sides are a number 

 of irregular and deep punctured impressions. Elytra with interrupted 

 coarsely punctured stria? and with a number of small scattered, elevated. 

 polished brown spaces; tips short, bidentate. Apex of abdomen emarginate 

 in male; tridentate in female. Length 17 mm. 



Crawford County; rare. September 9. Taken from trunk of 

 oak tree. 



1487 (4582). DICERCA ASPERATA Lap. & Gory, Mon. Buprest., 1837, 105. 



Elongate-oval. Brassy-bronzed above, cupreous beneath. Front of 

 head concave, coarsely and rugosely punctate, without transverse cariua. 

 Thorax one-half broader than long, sides rounded to near base; disk with 

 two wide, smooth, flattened ridges separated by a narrow punctured me- 

 dian line, and also an irregular narrow, smooth ridge each side, the im- 

 pressions deeply and coarsely punctured. Elytra each with a number of 

 elongate smooth elevations, these more prominent near the suture; the de- 

 pressions each side coarsely punctate; tips short, bidentate. Length 14- 

 10 mm. 



