Srr.FA. \IIF.V X. CUIMTLIOXIXJE. 



1). Black; scutellum densely clothed with white pubescence; scape not 



reaching the eyes. 377. BARBITA. 



66. Reddish-brown, thorax and under surface usually black in male; 



scutellum not distinctly pubescent; scape reaching the eyes in 



female, passing their front margin in male. 378. ARMICOLLIS. 



aa. Mesosternun? not protuberant; scape of antenna? usually reaching or 



passing beyond the middle of eyes; black species. 



c. Larger, 4.5 6 mm.; upper surface with distinct yellowish pubes- 

 cence; tibiae, tarsi and antennae usually reddish-brown. 



379. OLYRA. 



cc. Smaller, not over 4 mm.; upper surface without yellowish pubes- 

 cence; legs and antenna? black or piceous. 



<L Head elongate-conical; thorax densely punctate; elytral stria? 



deep. 380. SALICIS. 



(Id. Head broadly conical; thorax much more sparsely punctate; 



elytra feebly striate. 



e. Hind angles of thorax broadly flattened to form thin plates 



covering the basal edge of elytra; disc of thorax distinctly 



alutaceous between the punctures. 381. PAxnri: 1 .. 



ee. Hind angles of thorax not flattened; disc of thorax feebly 



alutaceous; elytral striae very slightly impressed . 



382. IXCOXSPH r v. 



377 (8615). MACDALIS BARBITA Say, 1831, 6; ibid, I, 265. 



Elongate, wedge-form, robust. Black, feebly shining, antenna? and tarsi 

 piceous. Beak slender, cylindrical, alutaceous, nearly as long as head and 

 thorax, finely and rather closely punctate, female; one-third shorter, less 

 curved, slightly dilated near tip, male; antennae inserted near apical third, 

 female; at apical fifth, male. Thorax nearly as wide as long, sides feebly 

 curved and with a short spine arid several small teeth near the front angles; 

 disc rather coarsely, densely and shallowly punctate, with an abbreviated 

 narrow smooth median line. Elytra slightly broader behind, deeply striate, 

 striae coarsely punctured; intervals convex, transversely finely wrinkled. 

 Abdomen finely and sparsely punctate; femora toothed. Length 4 6 mm. 



Frequent throughout Indiana; May 13 July 11. Usually 

 found beneath bark of recently dead oak and hickory. Many 

 records from New Jersey. < 1 aldwell to Anglesea ; May and June. 

 Ranges from New England .and Canada to Dakota, south to 

 (Jeorgia, Kentucky and Texas. "The larva 1 live in great numbers 

 in the bark or between it and the wood of dead and felled hicko- 

 ries, the beetles being most abundant from the middle to the end 

 of June." (HoniixjtaH.] "Breeds also under the bark of elm, 

 pupating in cells in the bark." (Felt.) In Indiana the males of 

 this and the next species are far less common than the females. 



378 (8625). MAGDALIS ARMICOLLIS Say, 1823, 312; ibicl, II, 175. 



Form of barliita. Females nearly uniform pale reddish-brown; males 

 usually piceous to black, the antennae, tarsi and elytra more or less reddish- 

 brown. Beak of male stout, shorter than thorax, widened near tip, aluta- 

 ceous, finely and closely punctate; of female more slender, longer than 



