884 FAMILY XLIII. PTINItKE. 



feebly dilated at apex instead of broadly triangular. The lateral 

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

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

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

 perhaps occur. 



KEY TO INDIANA SPECIES OF C.ENOCARA. 



a. Pubescence relatively short and much inclined; antennal club in male 

 blackish, in female pale. SCYMNOIDES. 



(/(/. Pubescence longer and erect ; antenna? pale in both sexes. 



&. 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. 1G80. OCULATA. 

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



diameter of the eye. 



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



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



cc. Last antenna] joint of male not curved; last joint of maxillary 



palpi slender, subparallel. TENUIPALPA. 



C. scymnoides Lee., black, length 1.8-2.3 mm., ranges from New 

 England to Montana. 



1680 ("..".IT,). C.KXOCAKA OCTLATA Say. Long's Exped. St. Peters, II. 1824, 



L'7:;: ibid. 1, 180. 



Rounded-oval, strongly convex. I'.lack, polished; head frequently ru- 

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

 joint of male antenna? 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. Elytra! punc- 

 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. May 29-August 10. Occurs 

 on low vegetation in damp localities; also in small puffballs (Ly- 

 coperdon). 



1681 ( -). r.KNOCAKA IIH'OI.OK (Jenil.. I IIS. Sp. Nov.. 1X1!|. 1'.. 



Form of oniltihi. pubescence less distinctly yellowish. I'.lack; bead and 

 I borax dark reddish-brown. .Male with seventh antennal joint nearly as 

 strongly produced as in nciilnl/i. Hie terminal joint srinietar-shaped ; eves 

 larger, the front of head less Ihan (heir longest diameter, cleft only lo mid- 

 dle. Female wil h seventh join! I i-i angular. I he terminal one scarcely curved ; 

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

 L. r --2 mm. 



Lake and Knox counties ; nuv. May 29-July 2. Occurs through- 

 out the eastern United States. 



C. tenuipalpa Fall, form and color of oculata, length 1.3-1.8 

 mm., was described from Michigan and Illinois. 



