THE OH, AND BLISTER BEETLES. 



1359 



2520 (8061). Macbobasis unicolob Kirby. Faun. Bor. Amer., 1837, - . 



E -Ion g a t e. snbcylindricai. Black, rather 

 densely clothed with grayish hairs which give 

 an ashen hue to the upper surface. Thorax 

 slightly longer than broach otherwise as mtorsa.n 

 Second joint of male antennae slightly longer H 

 than the next two and nearly twice as wide; mH 

 female one-half longer than third. Length 8- \X 

 15 mm. (Fig. 590.) H *~ 



Throughout the State, frequent; more \\ 

 so in the northern counties. May 21-Au- t\ 

 gust 6. Commonly known as the "ash- \) 

 gray blister beetle" and occurs on false in- 

 dieo Kentucky coffee tree and other Flg . 590 . Female beetle x 2, an- 



LUgO, i^uuiL ■ t enna of male much enlarged. (After 



legumes ; also on potatoes and lromveecl, it Chittendenin Bu ii. 43, u.s. Div. Ent.) 

 and one or two species of Epicauta being 



among the few living creatures which will attack the leaves of the 

 last-named plant. 



9Fyri ( ) MACBOBASIS FLAVOCINEREIJS sp. 110V. 



S ightly narrower and more parallel than unicolor. Pubescence yeh 

 iowi^grj Second Joint of male antenna, shorter and 

 than the next two; of female scarcely longer than third. Maxtllarj palp. 



, longer and stouter than in unieolo, AH the femora of male ami es- 

 pecially the hind one,, with a fringe of long hairs on the hind maigins, the 

 hairs curved near Hps. Length 12-13 mm. 



Starke County; rare. July 1. Very distinct from umcolor m 

 the form of antennal joints and pubescence of femora ot male. 

 2522 (S068). Macrobasis immacoiata Say. Jouru. Phil. Acad. Nat Set. 



Ill 1S24. 304; ibid. II, 170. . 

 Elongate male rather robust. Black, densely clothed with yellow.sh 

 „r Jay Z pubescence. Thorax slightly longer than wide, otherwise as n 

 ^ Elvtra gradually broader behind the middle, especially so m male 

 r : £ of male antenme less than half the length of head , ^« 

 shorter than third. Female with second joint as long as ot 

 than third and the first more slender than m male. Length 13-3 mm. 



' Southern half of State ; scarce. -May 24-August 2. Occurs on 

 o-oldenrod and wild morning-glory. 



Tetramyx qimdrimacMa Fab., head black, elytra yellowish, 

 apical third and large humeral spot black, length 10 mm , * known 

 from Georgia and North Carolina, and may occur m southern 

 Indiana. 



VI Epicauta Redt. 1819. (Gr., "upon -burn.") 

 The members of this genus closely resemble those of Xaerobam 

 in form and are separated only by the difference in the basal joints 

 [86—28402] 



