70 



parajiensis in its flights. It is more at home on the west 

 coast than east of the Andes. 



Hg. SI. — Sehif>t'>cei ca paranensis Bunii. 



Fig. 33. — Schistocerca cancellata Serv. 



GENUS ATRACHELACRTS, GIGLIO-TOS. 



A. unlcolor Gigho-Tos. A very common insect on the open 

 camp from Buenos Aires northward to Paraguay where it 

 has been known to increase to such an extent as to become a 

 pest. Specimens were contained in all the collections 

 examined. Cordoba (P. Schulz, H. Stempelmann ) ; Carcarana, 

 (O. Thomas). 



