880 FAMITA' XTJII. PTINTD.E. 



(. Color black or nearly so; punctuation relatively sparse; sur- 

 face shining. 1671. NIGRITULUM. 

 ii. Color rufous to piceous, usually some shade of brown; punc- 

 tuation closer ; surface less shining. 



/. Form more elongate, twice as long as wide; pubescence finer 

 mid shorter; profile not in the least gibbous. 



1672. VEXATUM. 



if. Form more oval, about three-fifths as wide as long; pubes- 

 cence more conspicuous. 1673. GRAVE. 

 hit. Middle tibia:- without marginal groove. 



//. Pubescence exceedingly short, sparse and indistinct; color chestnut 

 brown to blackish. 1674. CASTANEUM. 



i/i/. Pubescence normally developed. 



//. Form evidently gibbous in profile, elytra not parallel; coarser 

 punctures scarcely visible on any part. BOREALE. 



/(//. Form not gibbous in profile, elytra parallel. 



/. Inner lateral stria of elytra feeble or indistinct; size smaller. 

 under '2 mm., and more elongate; coarser punctures lacking. 



GRACILK. 



//. Lateral strue of elytra well developed ; size medium, 2-2.7 mm. ; 

 coarser punctures evident on elytra and sides of thorax. 



1675. CONFUSUM. 



('. Vi nlrale Lee., parallel, twice as long as wide, length 2-2.4 

 mm., has been recorded from Cincinnati. 



TOGO (530S). CATORAMA ri'NCTATnsr Lee., Proc. Phil. Aead. Nat. Sci., 1865, 



240. 



Elongate, subcylindrical. more than twice as long as wide. Uniform 

 reddish-brown, rather finely and sparsely pubescent. Elytra densely and 

 rather finely punctured. Front tibia* with two deep grooves, middle tibite 

 with one. Length 2.1-2.8 nim. 



Marshall and Marion counties; rare. May 22-Jime 10. Ranges 

 from Indiana south and south westward. 



1670 (- -). CATORAMA DICHROUM Fall, Trans. Amer. Entom. Soc., XXXI. 



1905, 240. 



Oblong-elliptical, twice as long as wide. Piceons brown; head, thorax 

 and ventral surface reddish-brown. Upper surface finely, evenly and rather 

 closely pnnHulalo throughout. Eighth antennal joint broadly subquadrate. 

 triangular, nearly as wide as long. Metasternum with coarser and fine 

 punctures intermingled, the former reaching Ihe sides. Length 1.8-2.5 mm. 



Marion County; scarce. April f>. 



1671 (5318). CATORAMA NiGRrrri.rM Lee.. Proc. Phil. Acad. Nat. Sci.. 1865. 



I'll. 



Elongate-oval, moderately robust, less than twice as long as wide, not 

 narrowed behind. Black or piceous; pubescence sparse and very fine. Head 

 and thorax finely, closely and evenly punctulate without intermixed coarser 

 punctures. I^lytra finely punctulate with scattered larger punctures. Eighth 

 antennal joint broadly triangular. Length 1.7-2.4 mm. 



Vet-million and Lawrence counties; scarce. May 24-June 13. 



