[Adults.] 



39 



180. COMMA BUTTERFLY. 



Grapta comma (Harris.) 



181. SEMICOLON BUTTERFLY. 



Grapta interrogatlouis (Fabr.) 



[Larva, chrysalids, adult butterfly.] 



INSECTS AFFECTIITG RICE. 



( Onjza sativa.) 



Iiijurinj^ tlie Itoots. 



182. WATER "WEEVIL. 



LissorJiojdru.':? simplex (Say.) 



[Larvro and adults: figures of larva and adult beetle with details of structure from Riley'a 

 Report for 1881.] 



Remedies: Draining. 



Chief Article: Riley, Rept. Dept. Agric, 1881, p. 128-129. 



183. RICE GRUB. 



Chalepus trachypygus Burm. 



[Larva and beetles: figures of the same from Riley's Report for 1881.] 



Remedies: Flooding; rotation of crops. 



Chief Article: Riley, Rept. Dept. Agric, 1881, p. 128-129. 



Injuring' the Stalks. 



184. RICE STALK-BORER. 



Chllo oryzccclhis Riley. 



[Injured stalks, larva, chrvsalids and adult moth: figures of all stages from Riley's Report 

 for 18S1.] 



Parasites: 

 184a. Phora aletlce Comstock. 



[Parasitized larva, puparium and adult fly.] 



Remedies: Burning stubble. 



Chief Articles: Riley, Rept. Dept, Agric , 1881, p. 133-135. 



