758 



FAMILY XXXVII. ELATERIDzE. 



143S (4357). Limonius confusus Lee, Trans. Amer. Phil. Soc, X, 1S53, 

 430. 



Elongate-oblong, slender. Dull sooty brown or piceous, slightly bronzed, 

 sparsely pubescent ; antennas entirely piceous ; legs and margin of epipleura 

 reddish-yellow. Second and third joints of antennas short, subequal, to- 

 gether about as long as fourth. Thorax slightly longer than wide, sides 

 feebly rounded ; disk > convex, densely and rather finely punctured, an im- 

 pressed median line on basal half ; hind, angles short, feebly carinate. Ely- 

 tral striae feebly impressed with close-set punctures ; intervals flat, densely 

 punctulate. Length 9-9.5 mm. 



Marion, Lawrence, Monroe and Posey connties; scarce. April 

 1 2-September 20. Occurs beneath bark of oak and other trees. 



1439 (4358). Limonius plebejus Say, Ann. Lyc. Nat. Hist., I, 1S25, 263; 



ibid. I, 396. 



Resembles the preceding, but the clypeus is truncate in front; three 

 basal joints of antennae dull red, the second and third together longer than 

 fourth; thorax without a median impressed line and with the sides (es- 

 pecially in the female) more broadly rounded. Length 8.5-9.5 mm. 



Posey County; scarce. April 18-May 21. 



1440 (4363). Limonius quekcinus Say, loc cit. 



Elongate-oblong, slender. Black, sparsely clothed with grayish pubes- 

 cence ; antennae piceous, three basal joints reddish ; legs reddish-yellow. 

 Clypeus broadly emarginate. Thorax slightly longer than wide, strongly 

 convex, sides feebly rounded ; disk finely and rather densely punctate ; hind 

 angles short, subacute, feebly carinate. Elytral striae finely' impressed, 

 deeply punctate ; intervals finely and sparsely punctulate. Length 4.5-6 mm. 



Throughout the State; common. May 16-August 11. Occurs 

 most frequently on the leaves of oak and hazelnut. 



1441 (4366). Limonius basillaris Say, Journ. Phil. Acad^ Nat. Sci., Ill, 



1S23, 172; ibid. II, 111. 



Closely resembles quercinus but usually a little smaller, with the hind 

 angles of thorax more obtuse and always reddish-yellow. Antennae with 

 joints one and two often reddish-brown. Lobe of prosternum and legs red- 

 dish-yellow. Length 4.2-5.5 mm. 



Throughout the State; common. May 19-October 12. Beaten 

 from vegetation. 



L. agonus Say and L. maculieollis Mots, have both been recorded 

 from near Cincinnati. I have seen no specimen or description of 

 the latter, and hence have not included it in the key. 



1442 (4376). Limonius ornatipennis Lee, New Sp. N. Am. Col., 1, 1S63, 84. 

 Elongate-oblong, slender. Black or piceous, finely pubescent with yel- 

 lowish hairs ; elytra each with an oblong, oblique spot reaching from hu- 

 merus to middle, a common crossbar behind the middle and a narrow space 

 on tips, dull reddish-yellow r ; hind angles of thorax, legs and basal joints of 

 antennae also reddish-yellow. Clypeus truncate ; second and third joints of 



