THE LONG-HORNED WOOD-BORING BEETLES. 



1065 



1967 (63S7). Monohammus scutellatls Say, Long's Exped., II, 1824 : 



289; ibid. I, 192. 

 Elongate, subeylindrical ; color given 

 in key ; seutellimi clothed with white pu- 

 bescence, its median line often smooth. 

 Antennae of male twice as long as body ; 

 of female, one-fourth longer than body, 

 and sometimes annulate. Thorax trans- 

 versely wrinkled, especially so near front 

 and hind margins. Elytra coarsely and 

 rugosely punctured, more so in male. 

 Length 15-28 mm. (Fig. 455.) 



Lake and Porter counties: fre- 

 quent beneath bark of pine. June 15- 

 July 3. 



M. con f it sor Kirby, length 28-31 

 nun., occurs in "Canada, New Eng- 

 land and the Middle States." 



III. Dorcaschema Lec. 1850. (Or-., 

 "a deer + form.") 



This genus comprises three medi- 

 um or small-sized species, differing 

 from their allies by the lack of cica- 

 trix on basal joint of antennae, the smooth sides of thorax and the 

 rounded tips of elytra. All three occur in the State. 



KEY TO SPECIES OF DORCASCHEMA. 



a. Thorax truly cylindrical, longer than wide; brown with grayish pubes- 

 cence. 



J). Thorax transversely wrinkled, indistinctly punctured ; larger. 15- 

 22 mm. 196S. wildii. 



hi). Thorax not wrinkled: punctuataion distinct; smaller. 8-12 mm. 



1969. ALTER NATU M . 



aa. Thorax slightly narrowed behind the middle, nearly as wide as long; 

 color black. 1970. nigrum. 



1968 (6391). Dorcaschema wildii Uhler, Proc. Phil. Acad. Nat. Sci., VII, 



1855, 217. 



Elongate, slender, subeylindrical. Brown, densely clothed on disk of 

 thorax and elytra with yellowish-gray pubescence, this bordered on sides 

 with light gray pubescence ; elytra with numerous small, rounded, bare 

 spots and a large, irregular one behind the middle ; often also with a stripe 

 of clay yellow pubescence on sides, extending from middle to apex. Thorax 

 with median line smooth and with numerous fine transverse raised lines 

 or wrinkles. Length 15-22 mm. 



Marion and Fountain counties; scarce. June 3-June 17. This 

 and the next breed in mulberry and osage-orange and the adults 

 are usually found on the trunks or foliage of those trees. 



Fig. 455. (After Smith in Fifth Rep. U. S. 

 Ent. Comm.) 



