Plate XLII 



Prairie Species 



Small Milkweed Bug, Lyga'us l-almii. Enlarged. 



Flea Negro-bug, Tliyreocoris pulicarius. Enlarged. 



Large Milkweed Bug, Oncopeltus fasciatus. (Uhler, Standard 



Nat. Hist.) 

 Ambush Bug, PlitinutUi fasciafa: a, dorsal view; h, side view; 

 c, front elasi)ing leg; d, sucking beak. (Riley, Bur. Ent. 

 U. S. Dept. Agr.) 

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

 Fig. 6. The same, adult. 



