Plate XLVI 

 Prairie Species 



Fig. 1. Cabbage-worm Butterfly, Ponfia rapiv, female. (Riley, Rep. 

 State Ent. Mo.) 



Fig. 2. Metallic Milkweed Fly, Psilopus siplio, male. Enlarged. (Wash- 

 burn, Rep. State Ent. Minn.) 



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

 Ent. Mo.) 



Fig. 4. Caterpillar Gall, Gnorimoscliema galla'solidaginis. (Cook, Rep. 

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



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

 dagi7iis. (Beutenmiiller, Amer. Mus. Journ.) 



Fig. 6. Vertebrated Robber-fly, Promaclius vertehratus, male. (Wash- 

 burn, Rep. State Ent. Minn.) 



