726 



FAMILY XXXVII. ELATEKIDJE. 



*1368 (4162). Hypnoidus obliquatulus Melsh., Proc. Phil. Acad. Nat. 



Sci., II, 1844, 214. 



Resembles pectoralis but usually a little larger aud more convex ; tho- 

 rax more distinctly sinuate in front of hind angles, which are slightly di- 

 vergent. Color piceous, each elytron with an oblique median yellowish 

 band, reaching the margin but not the suture, and an oval apical spot of 

 variable size, also yellow. Length 2.3-2.7 mm. 



Marion. Putnam, Vigo and Posey counties ; frequent. January 

 3-May 30. Occurs in sandy localities where it hibernates beneath 

 partially buried logs and chunks. Taken in early spring by sifting. 



XXI. OEdostethus Lec. 1853. (Gr., " swollen + breast,") 



Thorax distinctly margined, without basal fissures; mandibles 

 prominent; antenna? long, the third joint one-half longer than sec- 

 ond; tarsi long, slender, pubescent. One species only is known 

 from the eastern United States. 



1369 (4166). OEdostethus femobalis Lec, Trans. Amer. Phil. Soc, X, 



1853, 489. . 



Elongate-oblong, subconvex. Piceous-black, very sparsely pubescent with 

 yellowish hairs ; two basal joints of antennae, base of femora, tibiae and 

 tarsi yellow. Thorax as wide as long, convex, narrowed at apex and in 

 front of hind angles, which are small, acute, diverging and with a long 

 carina ; surface very finely and sparsely punctate. Elytra with sides par- 

 allel to apical third, thence rounded to apex ; striae indistinct on disk, wholly 

 wanting on sides. Length 4.5-5.5 mm. 



Marion, Posey and Franklin counties; scarce. April 28-June 



10. 



XXII. Anchastus Lec. 1853. (Gr., "to strangle.") 



Third joint of tarsi furnished beneath with a membranous lobe ; 

 fourth joint small and received upon the third; front very convex, 

 its front margin rounded; hind coxal plates very narrow on the 

 outer side, suddenly dilated and strongly toothed on the inner; 

 tarsal claws simple. 



1370 (4174). Anchastus binus Say, Trans. Amer. Phil. Soc, VI, 1836, 



177 ; ibid. II, 614. 



Elongate-oblong, subconvex. Black, pubescent with short yellowish 

 hairs ; elytra each with a large dull yellow spot extending from base nearly 

 to middle, not reaching the suture, and another, smaller, on apical fourth : 

 antennae and legs reddish-yellow. Thorax longer than wide, narrowed on 

 apical third; sides parallel and straight on basal two-thirds; hind angles 

 acute, the carinae long. Elytra striate, the striae deeply punctate ; intervals 

 densely and rugosely punctulate. Length 7-7.5 mm. 



