TIIK FLAT HA UK P.KETLKS. 



565 



punctured but with a faint smooth median line on basal half. Elytra deeply 

 stria to, not punctate. Eyes almost invisible from above. Length 5-11.5 mm. 



Throughout the State; common. February 2 October 13. Hi- 

 bernates in numbers beneatb bark, especially that of sugar maple. 



Subfamily III. CUCUJINAE. 



The absence of the horn-like plates concealing the maxilhi? is the 

 chief distinction between this and the preceding subfamily. The 

 following genera are known to he represented or may occur in tho 

 State. 



KEY TO INDIANA GENERA OF Cl'CUJIN^. 



V. Cucrjus. 



NARTHECirS. 



(/. Head widest behind tht eyes; color bright red. 

 ua. Head widest across the eyes. 



&. Body elongate, cylindrical; thorax margined. 

 l>b. Body depressed. 



c. Anteinue shorter than head and thorax, the latter not margined. 



PEDIACUS. 

 <<-. Antenna' longer than head and thorax. 



r/. Thorax not serrate at sides, sometimes with a single tooth at 



front angles. 



6. Elytra very short: thorax not margined. INO. 



ee. Elytra long; thorax margined. 



/. First antennal joint ab:uit as long as head. DENDROPHAGUS. 

 /'/'. First joint much shorter Than head; thorax with an im- 

 pressed line each side of disk. 

 ;/. Spurs of front tibia- unequal in length. 



VI. L.TCMOPIIL.EUS. 



fig. Spurs of front tibia? equal. LATHROPTS. 



d<l. Thorax distinctly serrate at sides ; first joint of antenna? nearly 



as long as the head. VII. BRONTES. 



V. CUGUJUS Fab. 177"). (XL. a word of South American origin.) 



To this genus belongs our largest and most brilliantly colored 

 member of the family. 



*1077 (3316). Cucrjcs CLAVIPES Fait.. Spec. Ins.. I. 17x1. 257. 



Elongate, very depressed, sides parallel. 

 Above bright scarlet red; beneath duller red: 

 tibia? and tarsi darker. Antenna' black, equal 

 to head and thorax in length. Head broad- 

 est behind the eyes, the hind angles being 

 produced outward and backward. Thorax 

 coarsely punctate: disk with three broad, 

 slightly elevated ridges. Elytra linely punc- 

 tate. Length U> -13.5 mil). (Fig. 213. ) FiK 2 13. , larva; < and e, enlarged bark 



and side views of its anal joint; (/, view of 

 Southern half ot State, frequent; less its head; 6, imago. (After Riley.) 



