Plate XLII 



Prairie Species 



Fig. 1. Small Milkweed Bug, Lygceus kalmii. Enlarged. 



Pig. 2. Flea Negro-bug, Thyreocoris pulicarius. Enlarged. 



Fig. 3. Large Milkweed Bug, Oncopeltus fasciatus. (Uhler, Standard 



Nat. Hist.) 

 Fig. 4. Ambush Bug, Phymata fasciata : a, dorsal view ; b, side view ; 



c, front clasping leg; d, sucking beak. (Riley, Bur. Ent. 



U. S. Dept. Agr.) 

 Fig. 5. Dusky Leaf-bug, AdelpJiocoris rapidus, nymph. 

 Fig. 6, The same, adult. 



