THE OIL AND BLISTER BEETLES. 



1359 



Fig. 690. Female beetle. X 2; an- 



2520 (8061). Mackobasis I'nicolor Klrby, Ffiun. r.iir. Amer.. 1S37, 24L 



Elongate, siibeyliudrical. Black, rather 

 densely clothed with grayish hairs which give 

 an ashen hue to the upper surface. Thorax 

 slightly longer than broad, otherwise as in torsa.l 

 Second joint of male antennae slightly longer fi 

 than the next two and nearly twice as wide; in^ 

 female one-half longer than third. Length 8- 

 ir> mm. (Fig. 590.) 



Throughout the State, frequent; more 

 so in the northern counties, ilav 21-Au- 

 gust 6. Commonly known as the "ash- 

 gray hlister beetle" and occurs on false in- 

 digo, Kentucky coffee tree and other 

 leg-umes; also on tiotatoes and iromveed, it Jf™""' ™'''„™"°'i.,^"l'"'|^i. ^^"^^ 



' Chittenden in Bull. 43, U. S. Div. Ent.) 



and one or two species of Epicania being 



among the ie\\ living creatures which will attack the leaves of the 



last-named plant. 



2ri2] ( ). Maceobasis Fiji\'ociNERErs sp. nor. 



Slightly narrower and more .parallel than nnicahir. Pubescence yel- 

 lowish-gray. Second .ioint of male antenna^ shorter and not much wider 

 than the next two : of female scarcely longer than third. JIaxillary palpi 

 much longer and stouter than in iiiiieolor. All the femora of male, and es- 

 pecially the hind ones, with a fringe of long hairs on the hind margins, the 

 hairs curved near tips. Length 12-13 mm. 



Starke County; rare. Julj^ 1. Very distinct from univnlor in 

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



2522 (8008). Maceobasis im.maculata Say, Journ. Phil. Acad. Nat. Sci., 

 Ill, 1824. 304 ; ibid. II, 170. 



Elongate^ male rather robust. Black, densely clothed with yellowish 

 or grayish pubescence. Thorax slightly longer than wide, otherwise as in 

 tiirm. Elytra gradually broader behind the middle, especially so in male. 

 First joint of male antennis less than half the length of head ; second joint 

 shorter than third. Female with second joint as long as or slightly longer 

 than third, and the first more slender than in male. Length 13-23 mm. 



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

 goldenrod and wild morning-glory. 



Tetraonyx qiiadyimarulala Fab., head black, elytra yellowish, 

 apical third and large humeral spot black, length ]0 mm., is known 

 from Georgia and North Carolina, and may occur in southern 

 Indiana. 



VI. Epic.vuta Redt. 1849. (Gr., " upon -f burn.") 

 The members of this genus closely resemble those of Macrobasis 

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

 I, si;— 234021 



