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OUTSTANDING ENTOMOLOGICAL FEATURES III CANADA FOR MAY, 1930 
The wheat stem sawfl^/ is reported to have passed the winter with 
100 per cent survival in the central part of Alberta. This pest in- 
creased markedly in 1929, and approximately 10 to 15 times as many 
larvae overwintered last year as in the year previous. Heavy in- 
festations are anticipated this season if conditions remain favorable. 
In southern Ontario observations indicate that the winter mor- 
tality of larvae of the European corn borer was considerably lower 
than during the past three years. Given favorable conditions, an in- 
crease in infestation may be expected during 1930. 
Infestations of the early cutworm, Euxoa tristicu la Morr., have 
been reported from sections of southern Alberta and south-western 
Saskatchewan. Reports at present available do not indicate any serious 
or extensive damage. 
The tarnished plant bug caused serious damage early in the season 
to fruit buds in orchards of the Okanagan Valley, British Columbia. 
Pears were more seriously damaged than apples. This species has been 
noted as conspicuously abundant in southern Quebec, near Montreal, and 
in sections of southern Ontario. 
A further decline in the abundance of budmoths, notably the eye- 
spotted budmoth, is indicated in the Annapolis Valley, Nova Scotia. 
Eggs of the European red mite were more prevalent than usual in 
practically all sections of the Annapolis Valley, Nova Scotia, and 
were also considerably in evidence in orchards in sections of New 
Brunswick. The eggs were hatching on May S. In the Annapolis Valley 
it is believed that this mite will probably be one of. the worst orchard 
pests of 1930. 
Eggs of the European apple sucker commenced to hatch in the 
Annapolis Valley, Nova Scotia, on May 10. This species is reported 
to be more numerous in the valley than for several years and is wide- 
spread throughout the entire fruit district. 
Tent caterpillars are again reported very numerous on Vancouver 
Island and in the lower Fraser Valley, 3ritish Columbia. They are 
also noted as on the increase in sections of Prince Edward Island and 
New Brunswick. 
The larch case bearer was exceptionally abundant on larch, in 
Ontario, in the early part of May, causing conspicuous foliage injury. 
A severe infestation of ticks affecting cattle, occurred in the 
interior of British Columbia, this spring, and many cases of tick 
