134 FAMILY TT. CA- 



circular, deep. Elytra) stria- moderately deep, distinctly punctured : in- 

 tervals slightly convex. Length 8.5 mm. 



Rare. A southern species, one specimen of which was taken 

 near Cannelton, Perry County, May 14. 



280 (826). PLATYNUS CRENISTRIATI s Leo.. New Sp. N. Am. Col.. I. 1863. 9. 



Elongate, rather slender. Black, shining ; base of antenna? and legs 

 reddish-yellow. Thorax oval, a little longer than wide, narrowed on basal 

 half; basal impressions small, deep. Elytral strife deep, strongly punc- 

 lured; intervals one to four distinctly convex, the others nearly flat. Length 

 7.5-8 mm. 



Southern half of State ; frequent ; scarce in the northern coun- 

 ties. Probably hibernates. March 7- July 28. 



*231 (827). PLATYNUS RUBRIPES Zimm., Trans. Amer. Ent. Soc., II, 1869. 

 244. 



Elongate, rather slender. Black, shining ; palpi and antennae brownish- 

 yellow ; legs reddish-brown. Thorax almost as long as wide, sides rounded 

 into base; impressions broad, shallow with a small deep fovea. Elytral 

 stripe deep, finely but distinctly punctured ; intervals slightly convex. Length 

 6.2-7 mm. 



Throughout the State; common. Hibernates. January 5-0 c- 

 tober 1. A smaller species than the preceding with darker legs 

 and more finely punctured striae. 



*232 (828). PLATYNUS PUNCTIFORMIS Say, Trans. 

 Amer. Phil. Soc., Ill, 1823, 58; ibid. 

 II. 481, 536. 



Elongate, rather robust. Black, shining; base of 

 antennae, tibia? and tarsi reddish-brown; femora pice- 

 ous. Thorax subrotund, convex, narrowly margined, 

 hind angles rounded; basal impressions shallow, with 

 a large, round, deep fovea. Elytra rather deeply stri- 

 ate. very tlnely and distinctly punctuate only on basal 

 half; intervals subconvex. finely alutacenus. Length 

 79 mm. (Fig. 77.) 

 Fig. 77. <4. (Original.) Throughout the State; frequent. February 

 13-October 14. Larger and broader than rubripes, with still more 

 finely punctured strife. 



GROUP F. 



Winged species of slender form, black or piceous in color with 

 base of antennas and legs yellow or reddish-brown ; thorax oval with 

 margin narrowly reflexed, becoming broader toward the hind 

 angles, which are rounded and indistinct; basal impressions narrow, 

 sometimes nearly obsolete. Elytra elongate-oval, twice as wide as 



