THE CLICK BEETLES. 



727 



Described from New Harmony, Posey County. One dead speci- 

 men taken near there by Wolcott; also taken by Dury near Cin- 

 cinnati. Should occur sparingly throughout the southern third of 

 State. 



XXIII. MoNOCREPiDius Bsch. 1829. (Gr., "single + little shoe.") 



Fourth joint of tarsi obliquely prolonged into a membranous 

 lobe; first joint of antennfe longer than usual; hind coxal plates 

 suddenly dilated on the inner side with the angles rounded and a 

 tooth at the origin of the thighs. 



KEY TO INDIANA SPECIES OF MONOCKEPIDItS. 



a. Lobe of fourth tarsal joint very broad. 



6. Size larger, 12 or more mm. ; color uniform brown. 1371. lividus. 

 &6. Smaller, not over 7.5 mm. ; elytra dull reddish-brown with a broad 

 fuscous stripe along the suture. 1372. sutuealis. 



aa. Lobe of fourth tarsal joint narrow, 

 c. Length 5 or more mm. 

 d. Form elongate, slender; thorax distinctly longer than wide. 



1373. VESPEKTINUS. 



dd. Form short, oblong, robust ; thorax about as wide as long. 



1374. ATJBITUS. 



cc. Length not over 4 mm. ; elytra reddish with narrow black lines. 



1375. BEixus. 

 1.371 (4181). MoNOCBEPiDius LiviDDs DeGeer, Mem. 

 Hist des Ins., IT, 1763, 162. 

 Elongate, subconvex. Dull brown, densely covered 

 with short, prostrate hair ; antennre reddish brown ; 

 legs yellow. Thorax one-fourth longer than wide, 

 slightly narrowed in front, sides feebly curved; hind 

 angles prominent, acute, divergent, with a short and 

 rather feeble carina. Elytra gradually tapering from 

 base to apex, striate, the stris with close set, oblong 

 punctures ; intervals flat, finely punctulate. Length 

 14-17 mm. (Fig. 279.) 



Southern two-thirds of State ; frequent prob- 

 ably throughout. May 30- August 11. Beaten 

 from branches of trees and shrubs, especially 

 those of walnut and hickory. 



Kg. 279. X3. 

 (Original.) 



1372 (4183). MoNooBEPiDirs stjtubalis Lee, Trans. Amer. Phil. Soc, X, 

 1853, 482. 

 Elongate-oblong, subconvex. Above dull reddish-brown, finely and sparse- 

 ly pubescent with grayish hairs ; head, median line on thorax and sutural 

 stripe on elytra, expanding at base and on apical third, sooty brown or 

 fuscous; beneath fuscous, the presternum and inflexed portion of thorax 

 reddish-yellow; antennje and legs pale brownish-yellow. Thorax one-half 

 longer than wide, sides broadly rounded, hind angles finely carinate; sur- 



