THE CLICK BEETLES. 759 



antennae short, nearly equal, together a little longer than fourth. Thorax 

 slightly longer than wide, convex, narrowed on basal third; hind angles 

 short, obtuse, not earinate ; surface finely and rather densely punctate. Ely- 

 tra striate, the striae punctate. Length 5.5 mm. 



Lawrence County ; rare. June 5. Beaten from sassafras. De- 

 scribed from Pennsylv-ania. 



('aiiipjjlua rlnificornis Kirliy. Ijlack with paler margins, elytra 

 bronzed-pic eijus, length 11 mm., is recorded from Pennsylvania and 

 Ohio. 



Pitl/nbius aiifjuinus Lee, long, jiarallel, blackish-piceous, thorax 

 with a deep median groove, length 20-125 mm., occurs on pine in the 

 !-louthern States and New Hampshire. 



XXXV. Athous Eseh. 1829. (Gr., "slow.") 



Differs from Lhnoniu!^ in having the first tarsal joint much 

 longer than second. In all of our species but one. the second and 

 third tarsal joints are slightly lobed beneath and the thorax is dis- 

 tinctly longer than broad. Four species have been taken in Indi- 

 ana, Avhile two others perhaps occur. 



KEY TO INDIANA SPECIES OF ATHOUS. 



«. Sercind and third tarsal joints lobed beneath. 



6. Hind angles of thorax not oarinate, the apex rounded. 



c. Pale chestnut brown ; size larger, 11-14 mm. 1443. bkightwelo. 

 cc. Dark sooty brown or piceous; thorax sometimes pale with darker 

 median stripe ; smaller, not over 10 mm. 1444. acanthus. 



hh. Hind angles of thorax distinctly earinate. 



(?. Second joint of antennse much smaller than third, the latter equal 

 to fourth. 

 c. Dull reddish- or sooty-brown. 1445. cucullatus. 



ee. Black, the bases of thorax and elytra narrowly yellow. 



1440. SCAPULAEIS. 



dd. Second and third joints of antennae small, equal ; black, base of 



thorax reddish-brown. posticus. 



n(i. Second and third tarsal joints not lobed beneath. bufifkons. 



1443 (4384). Athous beightwelli Kirby, Faun. Bor. Amer., 1837, 146. 



Elongate, slender. Pale dull brown, sparsely pubescent with yellowish 

 hairs. Third joint of antennse more than twice the len.ijth of second, nearly 

 equal to fourth. Thorax one-half longer than broad, narrower than elytra ; 

 sides straight, feebly rounded at middle, margin flattened at front angles ; 

 hind angles compressed, obtusely rounded, with margin slightly reflexed ; 

 disk densely, rather finely punctate, usually «ith a median transverse line 

 on basal half. Elytral stri;e deeply and rather coarsely punctured; inter- 

 vals subeouvex, finely jiunctate, transversely rugose. Length 11-18 mm. 



Throughout the State; scarce, ^lay 12-Jidy 5. Occurs on 

 gra.ss and foliage of oak. beech and hickory. A single specimen 



