794 FAMILY XXXIX. BUPRESTID/E. 



1508 (4692). AcMiEODEBA oknata Fab., Syst. Ent., 1798, 220. 



Robust, subcylindrical, moderately depressed. Bluish-black, sparsely 

 clothed with erect black hairs, each elytron" with usually six or eight irregu- 

 lar siiinll yellow spots on the sides. Thorax twice as wide as long, apex 

 cinarginate, base truncate; sides rapidly converging from behind the mid- 

 dle to apex; disk with distinct median triangular impression and oblique 

 lateral impression, the latter terminating in a pit at base; surface coartiely 

 and deeply punctured, more densely on sides. Elytra narrower at base than 

 thorax, gradually narrowing from base, more rapidly on apical third ; mar- 

 gins serrulate; disk with coarsely punctured striae; intervals flat, each with 

 a single row of punctures. Length S.5-11 mm. 



Knox County; rare. June 24. Probably occurs sparingly 

 throughout the (southern half of the State. 



1509 (4707). AcM/EODEKA TUBULUS Fab., Syst. Eleut., II, 1801, 200. 

 Subcylindrical, convex. Black bronzed, with sparsely placed short erect 



whitish hair ; elytra each with a dorsal row of four or five, and a marginal 

 row of three or four small yellow spots, these rarely connected to form an 

 irregular stripe. Head densely punctured, front feebly impressed. Thorax 

 convex, nearly twice as wide as long, sides curved and widest in front of 

 base; disk with tliree small basal fovese, coarsely and densely punctured. 

 Elytra as wide at base as thorax, gradually narrowed and finely serrate ou 

 apical third; striae with rather cuarse punctures; intervals coarsely punc- 

 tate. Length 5-7.5 mm. 



Throughout the State ; common. April 13-June 24. Occurs es- 

 itpcially on the flowers of the wild cranosl)ill, Gcrauiuiii macidatum 

 L., the red haw, f^raiafjii.^, and other low lierbs and shrubs. iMating 

 ^lay 27. Listed as A. cuUa Web. 



XL P'rosriMA SoL LS:;;l (Gr.. "to fall down.") 



The members of this s'l'nus iwe readily distinguished from Acma- 

 odrra. which they resemble in form, l)y the presence of a distinct 

 Rcutellum. One of Ih" two k!!own species occurs in Indiana. 



1510 (4713). Ptostma gibricoli.ts Say, Journ. Phil. Acad. Nat. Sci., Ill, 



^s■2■^, 101; ibid. II, 104, 591. 

 Subcylindrical, robnsl. Bluish-black, shining, finely and sparsely pu- 

 bescent. Elytra each with a largo oblong spot on side, reaching from base 

 to beyond middle and a smaller transverse one on apical third, bright yel- 

 low. Front concave. Thorax convex, with an obtuse subapieal elevation 

 each side, sides strongly deflexed, base truncale; surface rather densely and 

 coarsely punctate. Elytra without strire, margin sinuate, serrate ou apical 

 fhird, disk rather finely and sparsely punctate. Length (1-7.5 mm. 



Marion and Vermillion counties southward ; frecpient. IFay 11- 

 July 22. Beaten from foliai^v of red bud, f'crcis caiiadrntiis L.. in 

 the wood of whicli the larvre bores; also occurs fre(iuently on sassa- 

 fras. A prettily marked spe(>ies. 



