36 



GRASSHOPPERS AND OTHER INJURIOUS INSECTS OF 1911 AND 1912. 



Vertebrates. Mammals : The thirteen-lined Gopher (Sperm- 

 ophilus tridcccmlhieatus) and probably other gophers. Skunks also 

 known to have a fondness for grasshoppers. 



Figs. 22 and 22' .>. Black and grey form of Blister Beetle, 

 .1/. imicolor. Original. 



Pig. 22a. Blister Beetle 

 larva, seeond stage, in 

 egg pocket of J/, hirit- 

 tatus. C. W. Howard. 



Birds : A large variety of birds feed upon grasshoppers. 

 Amongst these observed to thus feed here and reported by Mr. 

 Somes are the Black Tern, Brown Thrush, Wren, Yellow Warbler, 



Fig. 23. Thirteen-lincd Gopher, >S'. trideremlhwotux, which catches and devours 

 grasshoppers in the fall. 



