286 



FAMILY VIII. — SILPHID^. 



subhumeral row of punctures; intei-vals flat, shining, sparsely punctulate, 

 the alternate ones with a few widely distant, coarser punctures. Length 

 2.5 mm. 



Pine, Lake County, and near Clear Lake, Steuben County; 

 scarce. May 2-May 25. A member of the boreal fauna. Resem- 

 bles a small Pallodes pallichts, a common fungus beetle of the family 

 Nitidulidffi. 



A. conferta Lee., piceous, elytra paler, length 2.5 mm., is known 

 from Illinois. A. obsoleta Melsh., reddish-yellow or pale chestnut- 

 brown, length L5-2.5 mm., is said to occur from the Atlantic to 

 Colorado. 



IX. CoLENis Erichs. 1832. (Gr., "knee.") 



Here belongs one minute pale species having the labrujn emar- 

 ginate; last joint of maxillary palpi cylindrical; antennse 11- 

 jointed, .joints 9-11 forming a loose, oblong club ; tarsi 5 11 in 

 both sexes. 



Fig. 143. a, Colenis impunctata Lee; b, Liade^s gemijiata Horn; c, C^/rtwSft blandissima Zimm.; d, hind leg 

 and middle tibiBe of male of same; e, hind leg of C. egena Lee., male. (After Horn.) 



557 (1781). CoLENis IMPUNCTATA Lec, Proc. Phil. Acad. Nat. Sci., VI. 

 1853, 284. 

 Broadly oval, convex, not contractile. Uniform pale reddish-brown, 

 shining. Thorax more than twice as wide as long, much narrowed in front, 

 apex feebly emarginate, surface smooth, hind angles rectangular. Elytra 

 broadly oval, nearly as wide as long; surface finely transversely strigose. 

 Length 1.5-2 mm. (Fig. 143, a.) 



Throughout the State; frequent. April 22-December 7. Oc- 

 curs especially in fleshy fungi on beech stumps. 



X. LiODEsLatr. 1796. (Gr., "smooth.") 

 Small oval or hemispherical beetles having well defined oblique 

 antennal grooves on under surface of head; clypeus slightly pro- 

 longed beyond the front; labrum usually truncate; antenna 11- 

 jointed, joints 7-11 forming an elongate loose club (Fig. 4, No. 6) ; 

 tarsal joints 5-5-4 in males, 5-4^ in females. They live in patches 



