706 FAHriLY XXXVIT. ELATEnnD/E. 



lib. Color piceous ; front with a transverse carina between the eyes. 



1332. HORNII. 



aa. Second joint of antennas small, not half as long as fourth. 



c. Size smaller, not over 6 mm ; front with a distinct transverse carina 

 between the eyes ; color piceous. 13.33. calceatus. 



cc. Size larger, 10 or more mm. ; carina wanting. 



d. Joints 4 to 8 of antennse serrate, the last three more slender and 

 not serrate. molestds. 



dd. Joints 4 to 10 serrate, the last joint alone slender. 



1334. OEOHESIDBS. 



F. ladius Melsh., length 8-11 mm., is said to occur from Penn- 

 sylvania to Illinois; F. molestus Bonv., dark reddish-brown, length 

 13 mm., is recorded from Cincinnati. 



1332 (4042). FoBNAX hobnii Bonv., Eucn., 1875, 891. 

 Elongate-oblong, rather robust. Dark chestnut brown to piceous, feebly 



shining, the thorax usually darker than elytra. Antennse feebly serrate, 

 a little longer than head and thorax, which are coarsely and densely punc- 

 tured. Base of elypeus less than a third the width of its apex and less 

 than half the distance to the eyes. Thorax as long as wide, sides parallel 

 on basal half, arcuate and narrowing in front of middle. Elytra striate, 

 faintly at middle, more deeply at sides, clensely and subrugosely punctate. 

 Hind coxal plates abruptly broader at middle. Length 7-8 mm. 



Marion and Posey counties ; scarce. May l-j\Iay 18. Occurs in 

 half rotten wood of elm and other logs. Resembles calceatus but 

 more robust, wdth larger second joint of antennas and more abruptly 

 dilated hind coxal plates. 



1333 (4041). Fornax calceatus Say, Trans. Amer. Phil. Soc, VI, 1836, 



188; ibid. II, 626. 

 Oblong, moderately convex. Dark brown or piceous. feebly shining, 

 sparsely pubescent with yellow hairs. Antennss nearly half as long as 

 body, slender, the grooves deep and sharply limited. Head and thorax 

 coarsely, deeply and roughly punctured; the latter longer than wide, dis- 

 tinctly narrower in front, sides straight behind the middle. Elytra nar- 

 rowed at apical third, faintly striate, coarsely and rather densely punctate. 

 Hind coxal plates gradually but rather widely dilated. Length 5-6 mm. 



^Marion and Posey counties; scarce. April 16-^[ay 29. Be- 

 neath bark of beech and oak. 



I.^'i4 (4044). FoBNAx ORCHESiDES Ncwm., Ent. JIag., V, 1838, 384. 



Oblong, moderately elongate, slightly narrower behind, convex. Dark 

 reddish-brown to piceous, feebly shining. Antenna? slightly compressed, 

 extendiiig a little beyond the hind angles of thorax. Head and thorax 

 coarsely and densely punctured; the latter as long as wide, sides feebly 

 narrowed behind the middle, obliquely narrowed to the front on apiciil 



