f)5(i FAMILY XIX. COLYDJIM-:. 



VIII. PVCNOMERIS Kridis. is:j'2. (Gr., "close + joint. * : ) 



In this genus the (Seventh joint oi' the antenna? is closely united 

 to the tenth, so that the club is solid and apparently one-jointed. 

 It is represented in the United States by the single species: 



lOGo (ol'sG). PYCNOMEKUS STLCICOLLIS Lee., N. Spec. N. Amer. Col., 1863, 69. 



Elongate, suboonvex. Dark reddish ur chestnut-brown, shining. Tho- 

 rax slightly longer than wide, base very little narrower than apex, disk 

 with two broad grooves at middle which do not reach the apex or base, 

 margin slightly reflexed. surface sparsely punctate. Elytra slightly wider 

 than thorax, the stria 1 with coarse, deep, elongate punctures. Length 5- 

 r>.~> mm. 



Putnam County; scarce. June 2!>. 



Tribe IV, BOTHRIDERINI. 



Somewhat flattened, oblong or elongate beetles, having the an- 

 tenna? short, 11- jointed, received in oblique autennal grooves, club 

 2-jointed ; all the coxns widely separated ; first ventral segment elon- 

 gate; first joint of tarsi longer than either the second or third. 

 Both genera are probably represented in the State. 



KEY TO GENERA OF 1JOTHR1DERINI. 



<i. Head horizontal or nearly so; front coxa 1 very narrowly enclosed be- 

 hind; outer apical angle of tibia) not prolonged. IX. BOTHRIDEKES. 

 mi. Head defiexed : front eox:e very distinctly closed: outer apical angle of 

 tibire prolonged. EROTYLATI-IRIS. 



IX. BOTIIKIDEHES Ericlis. 1832. (Gr., "a small trench + neck.") 

 One of the two known species occurs in Indiana, 



*10G4 C528T). BOTIIKIUEUES GEMINATUS Say, Journ. Phil. Acad. Nat. Sci.. 



V, isur,. -2c>-2; ibid. II, :5i':i. 



Oblong, subdepressed. Dark reddish or chestnut-brown, moderately 

 shining, sparsely ]mbesi-ent. Thorax longer than wide, narrowed behind, 

 apex feebly emarginate ; sides slightly curved with a small tubercle on mid- 

 dle of margin; disk vaguely concave, coarsely and rather densely punc- 

 tured. Elytra slightly broader than thorax, striate. the stria) finely punc- 

 tured; intervals alternately wider with a single row of punctures, the nar- 

 rower ones smooth. Length .", J.fi mm. 



Southern hall' ol' State; frequent . February LM-Xovember 124. 

 Occurs beneath bark, usually thai of living hickory, maple and other 

 t rees. 



l\n>hil<itlu-is < .raf'thix Melsli., oblong, black. opa<pie, length 4-6.5 

 mm., is a. southern form which has been taken at Cincinnati. Dury 

 finds it beneath Hie bark of dead elm. 



