THE r,ONG-HORNED WOOD-BORING BEETLES. 1059 



cc. Head not prolonged; black, without markings. 1962. pubeea. 



bh. 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. rufi- 



collis Say) red, nearly smooth except at base.- sph^ricolus. 



ee. 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. vibex. 



dd. Thorax densely punctured and clothed with yellowish pubescence; 



dull yellow, the elytra with black stripes. aueata. 



00. 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. mdtabius. 



1961 (6353). Leptuea vittata Oliv., Encyc. 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 subtruncate. Length 10-13 mm. 



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

 foliage of Virginia Creeper and other shrubs. 



1962 (6354). Leptuea pubeea 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 emarginate. Length 9-10 mm. 



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

 curs on the flowers of meadow-sweet {Spiraea) . The base of thorax 

 is more deeply bisinuate and not at all constricted in puhera, 

 whereas in vittata the constriction is evident though feeble. 



L. sphcBricolUs 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). Leptuea vibex Newm., Entomologist, 1841, 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. Antennae 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. 



