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on May 3I1 and the first adult of the two-lined grasshopper (M. bivit- 
tatus ) on June l6 in Riley County. 
Oklahoma, P. A. Penton (June 21 ): Grasshoppers have not been so destructive 
as they were in 1936 and, the infestation is decidedly more- spotted. M.~ 
mexicanus is now in the adult stage, and there- are a few adults of M. bi- 
v ittatus and M. differentialis . The most Severe infestation will pro- 
bably be in the. panhandle section and caused by Dissosteira longipennis- 
Thos. ,"; gr'eat number s*'of which are reported from Cimarron County. 
C. P. Stiles (June 23); During the., past 10 days the weather has 
turned dry and the damage, from hoppers is increasing. The most heavily 
infested counties' are in the southwestern part of the : State. The pre- 
dominating species are M. bivittatus , M. differentialis , and M. mexican- 
us. The species most prevalent in the panhandle is D. longipennis . 
' H. T. Rainwater reports them there in enormous numbers. In one instance, 
he reported seeing. a line about 20 or 30 feet across and 3 miles long 
that was practically solid with hoppers. 
Texas. P. L. Thomas (June 5) ' Grasshoppers are causing considerable- concern 
in a number of counties. 
Montana. H. B. Mills. (June 2H)j In many areas grasshoppers are extremely 
abundant but rather spotted. 
Colorado. S. C. McCampbell (June 28): The' infestation of grasshoppers, _ in- 
cluding D. longipennis , is the heaviest in the history pf the State. We 
• *. are carrying on an intense control Campaign^ ^gainst. TV longipennis . 
Utah. ; G. P. Knowlton (June 17): Grasshoppers are seriously destructive in 
some parts of Utah. The cold, unsettled spring appears to be retarding 
development although the nymphs and some adults are abundant in many 
northern localities. •. 
Nevada. G, G. Schweiss (June 18")': Grasshoppers have been reported as being 
extremely numerous in Lyon, Pershing, Washoe, and Elko Counties. Control 
measures have been instituted in these counties. The outbreaks are ra- 
ther limited in scope. Camnula pellucida Scudd. and M. mexicanus are 
the species involved. 
Arizona, C. D. Lebert (June 10): There was an extremely heavy infestation in 
alfalfa and melon fields northwest of Phoenix. • M. differentialis was on 
the margins of the fields and fence tows and ditch banks. M. mexicanus 
was destructive to alfalfa; estimated population of from 3Q0 to ^00 
hoppers per square yard. Nearly total defoliation of alfalfa, and three 
rows, of melons gone. Some Trimerotropis spp. were present. . , 
....■•' '•''• . • .. in 
California. : .-S>:"Iiockwood (June 19): £. pellucida was found /damaging numbers 
for the first time in the recollection of the writer in the Upper 'Sonp- 
ran zone in Merced County. 
