Plate XL VI 

 Prairie Species 



Fig. 1. Cabbage-worm Butterfly, Pontia rapce, female. (Riley, Rep. 

 State Ent. Mo.) 



Fig. 2. Metallic Milkweed Fly. PsUopus sipJio, male. Enlarged. (Wash- 

 burn, Rep. State Ent. Minn.) 



Fig. 3. Milkweed Butterfly larva, Anosia plexippus. (Riley, Rep. State 

 Ent, Mo.) 



Fig. 4. Caterpillar Gall, (inorimoscliema gallcesolidaginis, (Cook, Rep. 

 Ind. Dept. Geol. and Nat. Res.) 



Fig. 5. Goldenrod Bunch Gall, formed by the midge Cecidomyia soli- 

 daginis. (Beutenmiiller, Amer. Mus. Journ.) 



Fig. 6. Vertebrated Robber-fly, Promachus vertebratus, male. (Wash- 

 burn, Rep. State Ent. Minn.) 



