884 FAMILY XLIII. PTTNin.^. 



feebly dilated at apex instead of broadly triangular. The lateral 

 stri» of elytra consist of two nearly complete outer and a third 

 inner basal stria which scarcely reaches the middle; antenna^ 9- 

 .iointed. But two have been taken in the State, though two others 

 perhaps occur. 



KEY TO INDIANA SPECIES OF C.ENOCAKA. 



a. Piibesceuce relatively short and niucli inclined ; antennal club in male 

 blackish, in female pale. scymnoides. 



ua. Pubescence longer and erect ; antenn;e pale in both sexes. 



b. Eyes of male but little larger than in female, deeply, acutely incised 

 or nearly divided in both sexes; last juint of palpi broadly triangu- 

 lar; punctuation rather sparse and (.-oarse. IGSO. oculata. 

 ?)&. Eyes of male larger than in female, the front narrower than longest 

 diameter of the eye. 

 c. Last antennal joint of male scythe-shaped, the tip acutely pointed ; 

 color black, head and thorax dark rufous. 16.81. bicoloh. 

 ec. Last antennal joint of male not curved; last joint of maxillary 

 palpi slender, subparallel. tenuipalpa. 



C. scymnoides TiCc., Ijlack, longtli 1.8-2.3 mm., ranges from New 

 England to Montann. 



16S0 (532G). C.ENOCAKA oculata Say, Longs Exped. St. Peters, II, 1S24, 

 273; ibid. I, ISO. 

 Rounded-oval, sti'ougly convex. Blaok, polished; head frequently ru- 

 fous ; antenna? and legs reddish-brown ; pubescence grayish-yellow. Seventh 

 joint of male antennae as long as the five preceding, strongly produced on 

 its inner side; eighth nearly as long as the width of seventh; ninth four 

 times as long as wide, its outer edge broadly curved. 'IMioi-ax si)arsely and 

 finely punctate at middle, more coarsel.v and densely at sides. lOlytral punc- 

 tures coarser than those of thorax. Fiflh vcnii'al scgincnl as long as Ihird 

 and fourth united. Length 1.7-2.2 mm. 



Throughout the State; frequent. Mmv 'J'J-August 10. Occurs 

 on low vegetati>,u in (lam]) locniitics; ;ils(» in small puflPballs {Lij- 

 coperdon ) . 



1681 ( ). C.KNOCAitA HU'oi.ou Ciemi., Ins. Sp. Nov., lsi;4, li). 



Form of oculata, pubescence less distinctly yellowish. Black; head and 

 thorax dark reddish-lirown. INIale with seventh antennal joint nearly as 

 strongly produced as in (iciihihi. Uie terminal joint scimetar-shaped ; eyes 

 larger, the front of head less (ban their longest diameU'v. cleft only to mid- 

 dle. Female with seventh joint triangular. Ilie terminal one scarcely curved ; 

 eyes smaller, widely separated and nearly divided as in oculata. Length 

 1.5-2 mm. 



Lake ami Knox comities ; rare. i\lay 20--luly 2. Occtirs through- 

 out the eastern United States. 



C. ienuipalpa Fall, form and color of ocidala, length 1.3-1.8 

 mm., was described from IMichigan and Illinois. 



