THE LEAF BEETLES. 



1177 



L. Phyllectitrus Lee. lS6.j. (Gr., "leaf + eating.") 



Small, elongate, nearly smooth species having the eyes oval, dis- 

 tant from the margin of the thoi-ax ; antennaj slender, 10-jointed in 

 the male of cjcntUis, 11-jointed in the othei* speries : thorax broader 

 than long, sides distinctly margined, base curved ; elytra mth very 

 distinct side margins and epipleurw, the latter narrow; front coxafe 

 contiguous; tibire slender, without spurs; first joint of hind tarsi 

 longer than the next two ti )gether ; claws broadly appendiculate at 

 base. One of the four species has hw\\ taken in the State and an- 

 other probably occurs. 



KEY TO INDIANA SPECIES OK PHYLI.ECTIiKUS. 



a. Antennse iiieeous anJ ll-jointed in both sexes, thickened toward the tip, 

 male, or filiform, female; elytra Imt slightly wider than thorax. 



DOESALIS. 



aa. Antennae filiform and piieiius in both sexes, but lO-jointed, male, 11- 

 jointed, female; elytra dislinctl.v wider than thorax. 



2179. GENTIIJS. 



p. dorsalis ( )liv., head, thorax and under side of body yellow, 

 elytra and abdomen black, length tl mm., occurs ' ' from AVashington, 

 D. C, to :\rissouri and Texas." 



2179 (r.S.j3). 



GENTILTS Lci 



Proc. I'hil. .^rad. Xat. Sci., 



Phyeleothri's 

 1S05. liClN. 

 Elongate-oblong, parallel. Head, and nftfu 

 the tliorax. entirely yellow, the latter, how- 

 I'ver. usually with a broad blat-k -^tripe each 

 side with the extreme margin pair ; elytra 

 soniftlnu'S whully black, more often with the 

 suture, side margins and apex yellnw; uikUt 

 surface and legs yellow, the former soiik'- 

 tiines picenus: anteun.ie pieeous, tlie three 

 basal joints partly yellow. Thorax slightly 

 wider than long, sides nearly straight; disk 

 smooth, c<mvex and with a vague impres-sion 

 behind the middle. Elytra very finely alu- 

 taceous. without punctures. Length L'.-j^ mm. i I'ig. .".14.) 



Southern third of State, scarce; Kosi-insko Cdunty only in the 

 north. May 19-June 23. Occurs on bush-clnver {Lispedexa) along 

 roadsides. 



Tribe X. IIALTICINI. 



A large group of small or medium-sized, leaf-eating forms, dis- 

 tingmshed from the preceding trilic mainly liy the fact that the hind 

 thighs are greatly enlarged and thickened for leaping. As a conse- 



{ Original.) 



