S84 famhjY XLin. — pttnid.I!;. 



feebly dilated at apex instead of broadly triangular. The lateral 

 strife of elytra consist of two nearly complete outer and a third 

 inner basal stria which scarcely reaches the middle; antennae 9- 

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

 perhaps occur. 



KEY TO INDIANA SPECIES OF CBNOCAEA. 



a. Pubesceuee relativelj' short and' much Inclined; antennal club in male 

 blackish, in female pale. scymnoides. 



aa. Pubescence longer and erect ; antennae pale in both sexes. 



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

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

 lar ; punctuation rather sparse and coarse. 1680. oci'lata. 

 66. Eyes of male larger than in female, the front narrower than longest 

 diameter of the eye. 

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

 color black, head and thorax dark rufous. 1681. bicolob. 

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

 palpi slender, subparallel. tenuipaua. 



C. scumiioides Lee, black, length l.S-2.3 mm., ranges from New 

 England to Montana. 



1680 (5:120). Cenocuia oculata Say, Long's Exped. St. Peters, II, 1S21:, 

 273; ibid. I, 180. 

 Rounded-oval, strongly convex. Black, polished; head frequently ru- 

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

 joint of male antennte 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. Thorax sparsely and 

 finely punctate at middle, more coarsely and densely at sides. Elytral punr- 

 tures coarser than those of thorax. Fifth ventral segment as long as third 

 and fourth united. Length 1.7-2.2 mm. 



Throughout the State; frequent. ISlny 29-August 10. Occurs 

 on low vegetation in daTTip localities; also in small puffballs {Ly- 

 coperdon) . 



1081 ( ). C.ENOCARA liicOLOE Genu., Ins. Sp. Nov.. 1824, 19. 



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

 thorax dark reddish-brown. Jlale with seventh antennal joint' nearly as 

 strongly pniduoed as in ociihita, the lorrainal joint scimetar-shaped ; eyes 

 larger, the front of he;id less than their longesl diameter, cleft only to mid- 

 dle. Female with seventh joint triangular, the terminal one scarcely curved : 

 c.ves smaller, widely separated and nearly divided as in ociihita. Length 

 1.5-2 mm. 



Lake and Knox counties ; rare. .May 2!)-.luly 2. O.'curs through- 

 out the eastern United States. 



C. tenuipalpa Fall, form and color of oculafa. length 1.3-l.S 

 mm., was described from Miehioan and Illinois. 



