566 



FAMILY XXI. — CUCUJIDyE. 



so in the northern counties. March 17-Deeember 20. Occurs be- 

 neath bark, especially that of freshly felled ash and poplar logs. 

 Sometimes gregarious in colonies of twenty or more. 



Narthecius grandiceps Lee, dark chestnut-brown, thorax nar- 

 rowed behind, length 3 mm., is known froin Pennsylvania and Ne- 

 braska, but is very rare. 



Pediacus depressus Herbst., reddish-brown, strongly punctured, 

 length 3.3 mm., is a cosmopolitan species which has been taken by 

 Dury near Cincinnati. He also records an undescribed species of 

 Ino from the same locality. 



Dendrophagus glaber Lee, black, shining, elytra sometimes 

 brown, length 6-7 mm., is a boreal species which may occur in the 

 northern counties. 



VI. L^mophl/eus Lap. 1 837. ( Gr., 1 ' to eat + bark. ' ' ) 



Small, flattened or subconvex species, usually much broader 

 proportionately than in Silvanus, the antennae frequently elongate, 

 especially in the males; eyes rather small, near the front edge of 

 thorax; labrum large,' transverse, rounded in front; middle and 

 hind tarsi 4- jointed in the males. The following have been taken or 

 perhaps occur in the State. 



KEY TO INDIANA SPECIES OF LEMOPHMDS. 



a. Second joint of antennae shorter than third. 



1). Labrum eniarginate ; elytra with a pale spot before the middle of 

 each ; length 2.8-4 mm. 

 c. Elytra! spot nearly circular, well defined; surface densely punctate. 



1078. BIGUTTATTS. 



cc. Elytral spot ill-defined, irregular in form ; surface finely and 

 sparsely punctured. 1079. fasciatus. 



hi). Labrum entire ; elytra without spots ; length 1.5-2 mm. 

 (I. Body convex. 



e. Front angles of thorax toothed. convexultjs. 

 ee. Front angles of thorax rounded. 1080. adustus. 



del. Body depressed ; elytra shorter than abdomen. modesttjs. 

 aa. Second joint of antennae equal to third ; pale reddish-brown, elytra with- 

 out spots; length 1.5-2 mm. 

 f. Head with transverse groove behind the eyes ; male without deep 

 notch in front of base of antenna 1 . 1081. testaceous. 



ff. Head without transverse groove ; male with head deeply notched near 

 base of antennse and first joint of the latter as long as the three 

 following. 1082. punctatus. 



