;n2 FAMILY X. PSELAPITID^';. 



farther apart and near the eye. Thorax as long as wide, narrower in front 

 than in lacnstris. the median fove:e nearly circular, the ones on sides small. 

 Elytra more convex, the lines or stri.ie less deep. Length 1.7 nun. 



Jackson and Crawford eonnties ; scarce. August 15-October 14. 



P. consohrinns Lee, pubescence very dense, giving a very rough 

 appearance, is said to occur "ea.st of the Mississippi River," but 

 has not yet been tahen in the State. 



VI. Croius Lee. 1840. (Gr., "careful.") 



Antennal tubercles wider than long, contiguous ; last two joints 

 of maxillary ]ialpi unequal, the fourth oblong, thicker; front fe- 

 mora each with three strong spines on basal half. Two of the three 

 species are known from the State. 



KEY TO INDIANA SPI'XIES OF CEDIIS. 



(/. Larger aud more rohust, 2.5-2.7 mm.; head transversely excavated be- 

 tween the antennal cavities. SOG. ziegleki. 

 Hit. ^^maller and more narrow, not over 2 mm.; head not excavated at apex. 



597. SPiNosus. 



590 (1SG7). Cedius ziE(iLERi Lee, Bost. .Jouru. Nat. Hist, VI, 1849, 74. 



Fuseons-brown, clothed with short dense appressed hairs. Head as 

 long as wide; disk between the prominent eyes convex, punctured and with 

 two circular fove;p; sides with a spine behind each eye. Antennip nearly 

 half the length of body; joints 2-4 eiiual, as long as wide, fifth smaller, sul)- 

 globular; sixth and seventh equal, globular, eight shorter, transverse and in 

 male with its inner side prolonged as a flat tooth ; 9-10 wider, eleventh nuich 

 larger. Thorax convex, as long as wide: disk sparsely and rather finely 

 punctate, with two small fove;p near apex aud a larger one each side near 

 base, the latter two connected by a curved line. Elytra one-third wider 

 than long, sparsely and rather coarsely punctate ; each with a wide shallow 

 gi'oove on basal third. Abdomen slightly nari'ower than elytra, broadly 

 margined, the first dorsal with a carina each side. Length 2.7 nun. (Fig. 

 148, &.) 



Putnam and Crawford counties-, scarce. IMarch 28-lMay 28. 

 Taken from nests of ants {Formica rufa integra.) 



597 (1868). Cedius spinosus Lee, Bost. Journ. Nat. Hist., VI, 1849, 75. 



Resembles zicfflcri in form and color but sni.nllcr and less densely pu- 

 bescent. Head broader than long. Antenna' similar, with the outer joints 

 less enlarged. Thorax very finely and sijarsely punctate, without fove;p on 

 front half, the basal fovea? smaller and cniniected by a fine impressed line. 

 Elytra as in zieglcri, but more finely and sparsely punctate. Abdomen con- 

 vex, the first segment with carina^. Length 1.8-2 mm. (Fig. 14S, a.) 



Marshall and Fulton counties; rare. April iH-^lay 3. 



