TlIK CLICK liKKTLES. 721 



\r,m (4097). Cardiop 11 OKI'S convexus Say, Journ. IMiil. Ac;h1. X:i(. Sci.. 

 IIT. 1S2:i, 109; ibid. IT. 110. 



101oim:i(o, snbconvcx. D:irk sooty brown or i)ic('nus. siiiiiini,'; i('i,'s iiiid 

 two b;is:il joiiils of anloniuc ri'ddisli-yoliow. Thonix loii.i,'('r tli:in wide, 

 wide.st at inlddlo, strouj;ly c-ouvex, narrowod in front; bind margin witli 

 a short groove each side, tridontate at middle ; disk very tinely and evenly 

 pnn<'tafo. Elytra wider than thorax, gradually tain-ring from base to apex, 

 sirinlo. tlic stri.i' ininctato: inlorvals slightly convox, very finely imnctulate. 

 r.ody beneath clotiied willi line Iirownisli iiuliescence. closely imnctnlafe. 

 Length S-10 mm. 



Tlii-diioliout the Slate; eoiunum. Ajtril 7-liily 26. Frc(ineiits 

 leaves aiul braiiehcs of various shnit)s in .May and .Tunc, and then 

 one of the most eoininon Ehiters taken ])y ])eatino-. 



1357 (4109). ('AKDionioiU's gacates Ericlis.. Zeitsehr.. II, L'97. 



Oblong, rather stout, convex. Black, shining, sparsely clothed with 

 line grayish pubescence. Antenn:e stout, strongly serrate in male, joints 3 

 to (> one-half longer than wide. Thorax very convex, slightly longer than 

 wide, sides strongly rounded; base tridentate at middle and with a short 

 groove each side; snrf.nee densely and tinely punctate. Elytra either sub- 

 parallel or narrow^ed and rounded from the humeri, striate, punctate; in- 

 tervals convex and finely punctulatc. Length 5..5-7..5 nun. 



Northern half of State, frequent; Lawrence and Posey counties 

 oidy in the sonth. - April 21-Aiignst IH. 



C. convea-nlvs Lee., black, shinino'. length 7.2-10 mm., is known 

 from Canada. New England and Oliio; C. rohushis Lee., stout, 

 black, feebly bronzed, legs reddish-brown, length 7-10 mm., ranges 

 from Massachnsetts to Texas. 



XVII. IToKisTONOTt'S Cand. 1800. (Cr.. "defined fl)aek.") 



Small slendfu- species, having the margin of thorax well defined, 

 the edge running along the snture whiv'h divides the dorsal from 

 the pectoral region. 



1.35S (4129). HoRiSTOMOTLS cuRiATUs Say. Trans. Amer. Phil. Soc, VI, 

 1S3G. 173; ibid. II, 009. 

 Elongate-oblong, subconvex. Piceous, feebly shining; legs, anteume and 

 elytra dull reddish-yellow, the latter with a blackish crossbar at middle 

 which extends narrowly along the margin to apex. Antennre slender, very 

 little longer than thorax, feebly serrate. Thorax slightly longer than wide, 

 narrower at apex than at base, sides feebly curved, disk convex, sparsely 

 imnctate, hind margin with a short groove each side near the spines. Ely- 

 tra not wider at l)ase than thorax, feebly mirrowing to apex, deeply striate, 

 stria' punctate; intervals convex, sparsely punctulate. Tarsal claws den- 

 tate from the middle to the base. Length 4-4.5 mm. 



