1058 



FAMILY Lit CERAMBYCID2E. 



vided, joints 1 to 5 in both sexes black, remainder annulate at base with 

 yellow. Thorax sbort, convex, bell-shaped, constricted behind; surface 

 coarsely and densely punctured. Elytra tapering from tbe base, coarsely 

 and somewhat sparsely punctured, more finely toward tips, which are sep- 

 arated. Length 10-16 mm. 



Throughout the State ; scarce. June 11-July 4. Occurs in the 

 sand dune region of Lake and Porter counties on the blossoms of 

 the prickly pear cactus, Opuntia rafin.esquii Engelm; elsewhere on 

 foliage of oak and wild grape. 



L. vagans Oliv., length 9-12 mm., occurs throughout the eastern 

 United States. 



1959 (6314). Leptura peoxima Say, Journ. Phil. Acad. Nat. ScL, III, 1824, 



420; ibid. II, 198. 



Elongate, robust. Color given in key ; surface sparsely pubescent witb 

 short, yellowish hairs, those on thorax longer and erect. Thorax rounded 

 or subglobose, constricted before and behind ; disk with a broad and shallow 

 median channel, rather coarsely and densely punctured. Elytra rather 

 densely, not coarsely punctured, their tips truncate and subemarginate. 

 Length 14-15 mm. 



Marion and Posey counties ; scarce. June 6-July 1. Occurs on 

 foliage of maple and on flowers. 



1960 (6351). Leptura octonotata Say, Journ. Phil. Acad. Nat. ScL. Ill, 



1824, 419 ; ibid. II, 197. 



Elongate, rather robust. Color given in key; hind tarsi and base of 

 hind femora pale. Body pubescent with long, whitish, suberect hairs. Tho- 

 rax subcylindrical, feebly rounded on the sides, rather finely and densely 

 punctured. Length 10-12 mm. 



Putnam County; rare. June 5. Two specimens in Dury col- 

 lection taken by Levette in northern Indiana. The spots of elytra 

 are equidistant, the front one on base. 



Group C. 



To this group belong medium-sized or small species in which 

 the elytra are nearly parallel and the thorax as described in key. 

 Six species are ascribed to the group, three of which have been 

 taken, while the others probably occur within the State. 



KEY TO SPECIES OF GROUP C. 



a. Thorax much, often suddenly, narrowed in front; elytra parallel from 

 near base to tip. ; 

 1). Thorax feebly or not constricted but with an impressed line at base ; 

 elytra protuberant at base, 

 c. Head prolonged behind the eyes ; black, shining ; elytra each with 

 a yellow stripe, rarely wholly black. 1961. vittata. 



