460 



BOAKD OF AGRICULTURE. 



tered hairs on their surface. Antennae rather short, and slightly 

 flattened. Pronotum acute angled behind. "Wing covers narrow ; 

 costal half, green ; the sutural half, brownish. 



Chortophaga viridifasciata. De Geer. 



The Goat-Headed Grasshopper. 



Fig. 15. 

 Chortophaga viridifasciata. 



a. Larva. 



b. Mature insect. 



(Fig. 15.) 



This exceed- 

 ingly variable in- 

 sect has received 

 numerous names, 

 but all the differ- 

 ent shades of va- 

 riation may be 

 reduced to two 

 forms, which are 

 the green form ; 



known by the names virginiana, Fabricius, 

 and infuscata, Harris, the brown form. 



The form virginiana is described as follows : — 

 Green ; wing covers with a broad green stripe on the outer mar- 

 gin, extending from the base beyond the middle, and including 

 two small dusky spots on the edge, the remainder dusky, but 

 semi-transparent at the end ; wings transparent, very pale green- 

 ish yellow next to the body, with a large dusky cloud near the 

 middle of the hind margin, and a black line on the front margin ; 

 antennae, fore and middle legs reddish ; hind femora green, with 

 two black spots in the furrow beneath. Length, about one inch. 



Form Infuscata. Harris. 

 Dusky brown ; wing covers faintly spotted with brown ; wings 

 transparent, pale greenish yellow next to the body, with a large 

 dusky cloud near the middle of the hind margin , and a black line 

 on the front margin ; hind femora pale, with two large black spots 

 on the inside ; hind tibiae brown, with darker spines, and a broad 

 whitish ring below the knees. 



Genus Encoptolophus. Scudder (1875). 

 Head but little swollen above, front vertical above, roundly 

 sloping below, a little constricted above the antennae ; eyes sepa- 

 rated by about their own width, moderately large, somewhat ellip- 

 tical ; antennae rather short and flattened ; top of the pronotum 

 nearly flat, the median carina abrupt, but not greatly elevated, cut 

 into halves by a distinct though slight notch ; lateral carinas dis- 



