1150 FAMILY LIII. CHRYSOMELID.K 



KEY TO INDIANA GENERA OF CHRYSOMELINI. 



(/. Tarsal claws simple. 



b. Third joint of tarsi entire or scarcely omarginate (except in /'/v/.vo- 



curis, where it is bilobed). 



c. Thorax not margined at base; species mostly rather elongate, 

 slightly convex, striped. XXXIII. PRASOCURIS. 



cc. Thorax margined at base; species larger, more robust and convex. 

 d. Last joint of palpi short, truncate. 



e. Mesosternum prominent, forming a blunt tubercle between the 

 middle coxa 1 ; front femora of male strongly toothed. 



XXXIV. LABIDOMERA. 



ce. Mesosteruum not raised above the level of the prosternuni ; 

 femora simple. XXXV. LEPTINOTARSA. 



fid. Last joint of palpi not shorter than next to last. 



/. Tarsal claws parallel, united at base; claw joint dentate be- 

 neath. XXXVI. ZYGOGRAMMA. 

 //. Tarsal claws divergent; claw joint simple. 



</. Sides of thorax not thickened; elytra with darker markings 

 limited by impressed punctures. 



XXXVII. CALLIGRAPHA. 

 gg. Sides of thorax thickened ; elytra without spots. 



XXXVIII. CHRYSOMELA. 

 b&. Third joint of tarsi emarginate or bilobed. 



//. Sides of thorax not thickened; elytra unicolored. 



i. Punctures of elytra in regular row r s ; tibia? not grooved on the 



outer side. PLAGIODERA. 



//. Punctures of elytra dense and confused; tibia? grooved on outer 



side. XXXIX. GASTROIDEA. 



lih. Sides of thorax thickened; elytra often spotted or spotted and 



striped. XL. LIXA. 



(in. Tarsal claws toothed or bifid: tibia? not dilated and not toothed. 



XLI. PHYLLODECTA. 



XXXIII. PRASOCURIS Let. 1802. (Gr., "leek-green + a spear.") 



Rather small, elongate or oval, feebly convex species having the 

 upper surface brassy-green or bronzed-black and striped with dull 

 yellow. The three known species have been taken in the State, 

 while a fourth is herewith described for the first time. 



KEY TO SPECIES OF PRASOCUKIS. 



a. Yellow stripes of elytra not united at base. 



I. Form elongate, parallel ; length 5 or more mm. 2131. PHELLANDRII. 

 I>1>. Form short-oval; length not over 4 mm. 21H2. OVAI.IS. 



