TITF, LONG-JIORXKD WOOD-BORING I'.EKTLES. 1059 



cc. Head not prolonged; black, without markings. 1902. PUBERA. 



bit. Thorax deeply constricted at base, the sides strongly rounded ; elytra 



not protuberant. 



d. Thorax not densely punctured or clothed with yellow pubescence. 



e. Black; legs more or less yellow; thorax sometimes (var. rufl- 



collis Say) red, nearly smooth except at base. SPH.ERICOLLIS. 



ce. Black or piceous; elytra brown, each with side margin and a 



long, narrow stripe on disk dull yellow; thorax sparsely and 



finely punctured, more coarsely at base. 1963. VIBKX. 



dd. Thorax densely punctured and clothed with yellowish pubescence; 



dull yellow, the elytra with black stripes. AURATA. 



aa. Thorax quadrate, hardly narrowed in front and not constricted behind ; 



elytra feebly narrowed from the base; black, the elytra sometimes 



dull yellow or with the tip alone dark. MUTABIUS. 



1961 (6353). LEPTURA VITTATA Oliv., Eucyc. Meth., VII, 523. 



Elongate, slender. Black ; elytra usually with a yellow stripe, broader 

 at base, extending to beyond middle; rarely wholly black or dull yellow. 

 Head densely punctured and with a distinct neck. Thorax elongate, sub- 

 cylindrical ; surface, as well as that of elytra, sparsely and rather coarsely 

 punctured. Elytra wider on basal third, the sides thence parallel to tips, 

 which are subtruucate. Length 10 13 mm. 



Throughout the State; frequent. May 25-June 28. Occurs on 

 foliage of Virginia Creeper and other shrubs. 



1962 (6354). LEPTURA PUBERA Say, Journ. Phil. Acad. Nat. Sci., V, 1826, 



279 ; ibid. II, 336. 



Elongate, slender. Black, feebly shining. Head densely punctured, neck 

 short. Thorax bell-shaped, base bisinuate, surface densely and rather 

 coarsely punctured with a smooth median line and with numerous erect 

 black hairs. Elytra sparsely and coarsely punctured, the tips truncate and 

 feebly emargiuate. Length 9-10 mm. 



Kosciusko and Starke counties; scarce. June 5-July 1. Oc- 

 curs on the flowers of meadow-sweet (Spircea). The base of thorax 

 is more deeply bisiuuate and not at all constricted in piibera, 

 whereas in vittaia the constriction is evident though feeble. 



L. spJicericollis Say, length 7-8 mm., is known from Ohio, Ken- 

 tucky and Michigan ; L. aurata Horn, length 9 mm., and L. muta- 

 bilis Newm., length 8-13 mm., have both been recorded from Cin- 

 cinnati ; the latter also from Michigan. 



1963 (6356). LEPTURA VIBEX Newm., Entomologist. 1S41, 72. 



Elongate, slender, parallel. Head and under surface black; thorax 

 reddish ; elytra as mentioned in key ; front of head and legs, except tips of 

 femora, dull yellow. Antenna? with tips of joints reddish-yellow. Thorax 

 convex, deeply constricted before and behind. Elytra rather coarsely, not 

 densely punctured, the tips rounded. Length 7 -10 mm. 



Posey County; scarce. .June 11. Occurs throughout the east- 

 ern United States. 



