Natural Enemies. 



127 



(Fig. 27) are two of our largest and most common 



[Fig. 25.1 [ Fi S- 26 -l 



Pennsylvania Gkound-Beetxe. Calosoma calidum, with larva. 



Mr. H. A. Brous, who, while in Western Kansas in 1876, 

 made careful notes of everything he observed relating to 

 the Rocky Mountain Locust, has sent me a number of 



[Fig. 28.] 



various Asilus-flies,* and several amblychila cylindriformis. 



* Stenopogon consanguine us, Loew, a species with pale yellowish hairs on 

 head and thorax, yellowish-brown wings and pale rufous legs and abdomen ; Pro- 

 machus aplvora, Fitch ; Erax Bastardii (Fig. 29)/ several allied species of Erax, 

 and a species of Tolmerus. 



