THE CAERION BKETLES. 275 



Us, but snialliT. Tlio ppiplourn fold df olytni is wliolly orange-red, the sides 

 of thorax less curNcd. niid (he middle ;ind liiiid libiie are curved in l)oth 

 sexes. F-onsth 1C> IS nun. 



Lake aful Vijro couiilics; rare. .Iniic 4-.July 15. 



535 (1098). Neckopuoiu s MAiuiiivATrs Fab., Syst. Fdeul.. I. ISOI, .3:14. 

 Moderately elongate. Black, shining; anlennal club, opiploural IVdd 



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

 band usually entire, rarely divided at suture; the subai)ical often reach- 

 ing the apical margin, the two connected on side margin. 'I'luirax distinctly 

 narrower behind the middle, the disk nearly smooth. Ilind tll)i;c distinctly 

 curved. Length 20-27 nun. 



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

 especially about dead snakes. 



536 (1G07). Necrophokus orbicollis 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 ; antennic 

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

 both sexes gi'adually broader to tip and straight. Length 20-25 mm. 



Throughoiit 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). Necrophorus pustulatus Hersch., Illig. Mag., VI, 271. 

 Moderately robust. Black or piceous, shining; antenna! 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. 

 Eljiira coarsely punctured, each with two faint costse. Length 17 mm. 



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

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

 partly so. 



538 (1703). Necrophgri-s 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 maryliKitux. 

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

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

 T^ength 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. 



