- 225 « 
THE MOES IWOBTAm ES COEDS liT CilTADA POE MAY-JUITB 
Grasshopper eggs were ha.tcliiiig in the Prairie Provinces dijring the 
latter part of May, hut reports fron Manitoba and Saskatchewan, dated 
May 27, indicated that the goneraA ha,tch would he late, owing to prevailing 
cool weather. However, hy mid~Juno grasshoppers were Sufficiently numerous 
and active in certain areas of these Provinces and Alberta to necessitate 
the use of poisoned bait, and some damage to cereals and sugar beets was 
reported at Portage, La. Prairie, Carman, and Emerson, Manitoba. 
Enormous numbers of a,dults of the wheat stem sawfly were emerging 
in mid^June throughout the infested areas of Alberta and Saskatchewan, 
Emergence was about a week earlier than in 194 o, Ihis species increased 
in abundance and range in these two Provinces la.st year, and indications 
are that the 19^1 outbreak will be as severe a.s, or worse than, that of 
1940. 
Oven^rintering a.dults of Say*s stink bug X'jere very abundant in extreme 
southern Alberta, feeding on xveeds and native wild plants, Oviposition 
was first noted on April 2S and hatching commenced on May 20, 
Wireworms are ca.using loss to the wheat crop in the Prairie Provinces. 
Considerable damage was being inflicted by then in soiithern and western 
districts of Manitoba, In Saskatchevran serious thinning of whea:,t on 
fallow occurred in areas v;herc the soil -vra.s dry o.t seed level. However, 
considerable loss wa.s aAso reported in the southeast, notwithstanding a 
wet spring, A survey early in June indicated 10 percent damage to summer*- 
fallow whea.t in the Saskatoon-Battlef ord anea. and 5 percent in the 
Ba.ttleford*-Glaslyn--Bapaume district. In Alberta., wireworms v;ere causing 
slight thinning of vrhea.t in the foothills a^rea., and some losses to sugar 
beets in the Jamie son-Barnwell area., 
Ihe pale western cutv/orm caused some crop losses locally in southern 
Alberta., but no cutv;orm damage was evident in Saskatchewan up to mid-June, 
In British Columbia there have been fewer reports of cutvrorm injury than 
in 19^0, when an outbreak of the va.ricgated cutworm occurred, 
A major flight of June beetles ( Phyllophaga anxla. Lee, and P, fusca 
Eroels) occurred in centra.l Ontario during May and the early pa.rt of 
June over a.n a.rea of at least square miles, affecting a.ll counties 
betvreon Perth and Peterborough, and many deciduous trees wore severely 
defolia.tedo Ihe last important outbreak of these insects in the region 
concerned occurred in 193^* hea.vy flight of a third species,, 
.^'!'iy:£ Lee., occurred in the Chatham district in southwestern 
Onta.rioo 
