56 BULLETIN NO. 4, DIVISION OF ENTOMOLOGY. 



mention in this connection. However numerous this insect has thus far 

 become in the mountain districts of Idaho, Montana, and Wyoming, I 

 have failed to learn as yet of any depredations having been caused by 

 it in these Territories, though I am unable to predict what they will do 

 in the future, but my opinion is that they need not be feared. This, of 

 course, is only an opinion based upon no facts. From observations 

 made during the period of three years in this portion of the country 

 they appear to be on the increase, and at other points not seen by me 

 heretofore were quite common this summer. Whether they have mi- 

 grated into these new sections recently or whether they already occurred 

 there during previous seasons and were overlooked I am uuable to say. 

 None have been noticed in the act of migration thus far this season, 

 though at Livingston, on the 2d of August, they were seen by far the 

 most numerous, and were very restless and kept up a continual hopping 

 and flitting about as if desirous of doing something besides being quiet 

 and inactive. One thing we can be pretty sure of in connection with 

 this insect, viz., that it will never leave the mountains and higher alti- 

 tudes for the agricultural districts of Dakota and Nebraska, which lie 

 to the east and southeast of here, because they are not capable of such 

 long continued flights as are other species. 

 <7. spretus. 



Again, in the valleys of the Great Salt Lake Basin a few specimens 

 of this insect were observed, which were, as a rule, confined to meadows 

 and low, wet localities, away from fields of grain and garden patches, 

 and I do not think they will ever become numerous enough here to do 

 great damage to the products of the farm. 



"NATIVE LOCUSTS." 



There were but three or, at the most, four species of locusts which 

 had attained wings to be found near Albuquerque, N. Mex., viz., two 

 (Edipodce and one Psoloessa. They all frequent comparatively dry locali- 

 ties where the grass is beginning to show a little green. They aru quite 

 active, are easily disturbed, and fly rather far at each start. Among the 

 young not yet matured but two species were discerned, viz., one (Edi- 

 poda and a Caloptenus or Pezotettix. These latter were only met with in 

 fields of alfalfa, along irrigating ditches, and then only occasionally. 



At Santa Fe we saw several specimens of the Psoloessa, and also two 

 or three specimens of some species of Arphia. In passing along the 

 road from Santa Fe to Espanola, as we approached the sandy flat, and 

 also as we crossed it to the south of Santa Cruz, quite a number of a 

 large, yellow-winged (Edipoda {Hippiscus haldermannii), were seen. It 

 was the same as the largest one taken at Albuquerque. 



At Espanola we observed a few of the same three species mentioned 

 above as having been taken at Albuquerque. Again, at Embudo, we 



