THE CAEEION BEETLES. 



275 



lis, but smaller. The epipleura fold of elytra is wholly orange-red, the sides 

 of thorax less curved, and the middle and hind tibiae are curved in both 

 sexes. Length 16-18 mm. 



Lake and Vigo counties ; rare. June 4-July 15. 



* 



535 (1698). Necbophobus mabginatus Fab., Syst. Eleut., I, 1801, 334. 

 Moderately elongate. Black, shining; antennal club, epipleural fold 



and two broad dentate cross-bands on elytra, orange yellow ; the sub-basal 

 band usually entire, rarely divided at suture; the subapical often reach- 

 ing the apical margin, the two connected on side margin. Thorax distinctly 

 narrower behind the middle, the disk nearly smooth. Hind tibiae distinctly 

 curved. Length 20-27 mm. 



Throughout the State; frequent. April 23-July 28. Occurs 

 especially about dead snakes. 



536 (1697). Necbophobus oebicollts Say, Journ. Phil. Acad. Nat. Sci., V, 



1825, 177 ; ibid. II, 284. 

 Elongate, moderately robust. Black, shining; elytra with a sub-basal 

 cross-bar and subapical spot orange-red; epipleural fold black; antennae 

 piceous, the club orange-red. first joint black. Middle and hind tibiae in 

 both sexes gradually broader to tip and straight. Length 20-25 mm. 



Throughout the State ; frequent. April 6-August 20. One 

 just emerged from pupal stage was taken from a little pit beneath 

 a log on April 17. 



537 (1701). Necbophobus pustulatus Hersch., Illig. Mag., VI, 271. 

 Moderately robust. Black or piceous, shining; antennal club, except 



the first joint, and two spots on each elytron, orange-red; one of the elytral 

 spots on the side at usual position of sub-basal band, the other, sometimes 

 double, subapical. Thorax transversely oval, very little narrowed behind. 

 Elytra coarsely punctured, each with two faint costae. Length 17 mm. 



Posey County; rare. June 18. The color is variable, some- 

 times wholly black ; the epipleural fold usually black, often red or 

 partly so. 



538 (1703). Necbophobus tomentosus Weber, Obs. Ent., I, 1801, 47. 

 Moderately elongate. Black, shining ; elytra with two cross-bars and 



epipleural fold orange-red; the cross-bars resembling those of margin at us. 

 but narrower. Thorax broader than long, very little narrowed behind, the 

 disk clothed with golden yellow hairs. Middle and hind tibiae straight. 

 Length 15-20 mm. 



Throughout the State ; frequent. June 20-October 18. 



II. Silpha Linn. 1758. (Gr., "a beetle.") 



. Strongly depressed beetles of medium or large size, usually 

 rounded in form and with a wide, thin margin to thorax and elytra. 



