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tions occurrinf;:; in Pipestone and v/estern Murray Counties, Infesta- 
tions in southeastern Minnesota v/ere found to he of nonecononic in- 
portancG with H. fonur-ruhinjn still hatchirjg and the majority of the 
grasshoppers second-, third-, and fourth-instar nyr.rphs. Local dis- 
persal of M, h ivittatus , M, nexic£nus , Connula pellucida Scudd, , and 
M, Packard! i Scudd. was continuin/; in northwestern Minnesota, Mar^;^inal 
dama/^c to /prainfiolds was moderately severe in portions of Mhrshall 
and Kittson Counties, 
(July 27-^u^ist 2): Very warn, dry vraathor conditions persisted over 
most of Minnesota durin;P the vreek, causin,^ considerable dryin^'^ of pa.s- 
tures and ma.r^inal vegetation,’ Grasshoppers were moving into the 
greener, late crops and dam<ago was beginning to sliox^ in corn, alfalfa, 
and flam, Tv/enty-fivc percent of the M, f emur-rub rum and 75 percent of 
the M, differential! s’ v/ere in the adult stage, 
1/ 
ITorth DrlvOtao ' (Jp-ly 20-2o): Grasshoppers in Grand Porks, Walsh, and 
Pembina Counties in northeastern North Dakota v/ero 90 percent adult, 
v/hile infestations in other counties in that section of the State con- 
tained a longe percentage of third-, fourth-, and fifth-instar nym-phs. 
Marginal vegeto.tion v/as beginning to dry and grasshoppers x/ere scatter- 
ing, LaP’age \/a.s believed to bo loss than 2 percent for thd area as a 
v/holo. In the southwestern counties the dominant species vras M, moxi- 
canus , Vith the drying of marginal and idle land vegetation, grass- 
hopxjors x/ere moving into fields, causing som daixage to corn, x/hcat, 
oats, and flax. Crop daieagc in Emmons Coxmty is estimo-ted a,t 20 per- 
cent, in Sioux County a,t IS percent, and in Grant County at 8 percent, 
Daixage in other areau has been negligible, Liaiit populations were 
reported in the nor tlmmes tern ITorth Dakotct cP’^ontios of Burke, Divide, 
McKenzie, and Williams, (July 27-August 2): ’ M, differentialis v/as the 
d-ominant grasshop’per in Martin, Sioxix, and Emmons Co-unties in south- 
central North Daliota, x/hcre approximately 85 percent of the grasshoppers 
were adult. In the east-centraJ portion of the State, 80 jpercent of 
the grasshoppers present v/ore adult, and many fields were beginning 
to shov/ considerable ler^f damage, (August 3~9’)* Ninety percent of the 
grasshoppers in northeastern North Dakota have reanhed the' adult sta^ge 
"and copulation and oxuposition arc ’in progress. 
South DaJhota,'^ (July 27-August 2): Populations v^erc nearly 100 percent 
auult in the State as a, whole. The grasshoppers were beginning to 
settle dovm and only sliph-t shifts v/ore observed d’uning the week. All 
of the major species v/orc ovipositing and H. bivittatus had reauhed 
the pcalc, ’The s-iall-grain harvest v/as practicably completed and ha-y- 
ing wa,s x/cll un^ur way, Co’nsidorable damage to corn occurred from the 
dny, hot v/inds as well as from grasshoppers, 
Montana^ (July 27-August 2); Adult M, moxicanus v/ere x/orking on x/noa,t and 
oat crops in Toole Coxuity but the harvest x-ras v/cll xindGr v/ay and should 
be completed before any severe damage occurs. In southern Montana, 
approximately 75 percent reached the adult st.agc, M, mexicanus v/as the 
dominant species with M, bivittatus and M, differentialis second in 
importance. Adult dispersals changed the situation from a spotted to 
