THE TjEAI'^ KEETT/KS. 



1221 



2iir.;> (TiiOiM. SvsTE.NA Ki-ONGATA Fiibr.. Kilt. Syst., Suyp., 179S, 99. 



Eloii,ii:itt'-()v:il. uKulerately convex. I'iceous with a slight bronzed lus- 

 tre; elytra each witli a yellow stripe on middle reaching nearly to apex; 

 antenna' brownish ; legs reddish, hind femora piceous. Head coarsely and 

 closely punctate. Thorax one-fourth wider than hjiig, sides feebly curved; 

 disk convex, coarsely and closely punctate. Elytra distinctly wider at base 

 and more finely and sparsely punctate than thorax. length 3-A mm. 



Posey County; rare. April 12. Beaten from wild yrape. 



■22V>0 (TOO.".). Systena t.eniata Say, Long's Sec. Exped., 1S24, 204; ibid. 

 I. 1!);1. 

 Elongate-oval. Color variai)le, usually 

 retldish or Itrownish-yellow, shining; elytra 

 each always with a paler median stripe; un- 

 der surface and narrow margins of thorax 

 usually jiiceous: antenn;e and legs reddish- 

 In-iiNvn. i'iiorax oiie-fourlh wider than long, 

 sides rceldy i-ouuded. surface finely and 

 sparsely punctui'ed. Elylr.-i distinctly wider 

 th.-iii tlini;i\. finely, shallowly and ratiier 

 densely punctate. I;ength :'. 4.5 nnn. ( l'"ig. 



r.4:!.) 



Throtiohdul the State; rfc(|iielit , 

 May 16-.]uly 25. Occurs on i-agweed, 

 horseweed, flowers of Cornel, etc. The 

 form above described is var. blniidfi Mclsli 

 noted in the State. A variety with nicdiaii pale stripe of elytra 

 much narrower is also known. ( Fiy. -l-tO.) 



1 IE. r,V 



I .\ftei- lorhc: .) 



tile onlv variety so far 



2261 (7(X>2). SystexNA mahoinalis 111., Mag. fur Insect. VI, 1*^07. 150. 



Elongate-oval, subdepressed. Pale dull yellow, scarcely shining; sides 

 of thorax and elytra very narrowly piceous; antenna^ with the terminal 

 halves of the outer joints piceous. Head alutaceous. sparsely and regu- 

 larly pujictate. Thorax one-third wider than long, not broader at base 

 than ai>ex, sides regularly curved ; disk coarsely, not closely punctured. 

 Elji;ra distinctly wider at base than thorax, rather densely and coarsely 

 punctate. Length 3.5 4 nun. 



Lake and .Marshall counties; scarce. Jttly U- August 21. Oc- 

 curs on oak. 



LXXI. DiBOEiA Chev. 1834. (Or., "two ! spine.") 



Small oval oi- oblong- species having the head rounded, retracted 

 within the apex of tliorax; front carinate with distinct tubercles; 

 antenna at least half as long as body, the outer joints a little 

 stouter; thora.\ bi-oader tium long, miieli narrowed in front; elytra 

 oval, not wider than base of thorax, with regular rows of punc;- 

 tures; hind femora strongly dilated, tibifc slender, broader and 



