-158-. 
Canker worms are. reported , as .somewhat more abundant than usual in 
the Hew England States. Similar reports .have been received from 
Minnesota and Kansas. 
One of the worst outbreaks of the forest tent caterpillar ever 
recorded is under way in central Virginia. Complete defoliation of 
forest trees has been observed over considerable areas. 
The larch case bearer is heavily infesting the larch of Hew" 
Hampshire, Vermont, and parts of Pennsylvania. Heavy stands appear 
as if scorched by fire owing to the feeding of this insect. 
The European pine shoot moth is becoming generally prevalent in 
southern Hew England, southern New York, New Jersey, and Pennsylvania. 
So far the infestations are all confined to nurseries and transplanted 
trees. 
The Nantucket pine shoot moth is reported as doing serious damage 
to several species of pine in a nursery in the Philadelphia district of 
Pennsylvania. 
OUTSTANDING ENTOMOLOGICAL FEATURES IN CANADA EOR MAY, 1931. 
As forecast, the pale western cutworm has again developed in 
outbreak numbers in eastern Alberta and Saskatchewan, affecting grain 
crops, and by the middle of May damage was becoming evident. Indica- 
tions point to a probable severe outbreak of the red-backed cutworm in 
sections of Manitoba and Saskatchewan, affecting field and garden crops. 
The young larvae of this species were appearing in considerable numbers 
by the middle of the month. Cutworms are proving troublesome to garden 
plants in southern Vancouver Island and in the Okanagan Valley, British 
Columbia, 
A rather heavy outbreak of white grubs was reported locally from 
the Pike Lake district, in central Saskatchewan. This constitutes the 
first record of white grub damage in this territory. 
Plea beetles have again appeared iri large numbers on various field 
and garden crops on Vancouver Island, in the Lower Eraser Valley, and in 
sections of the Okanagan Valley, British Columbia. 
The squash bug is reported from British Columbia for the first time, 
specimens having been taken in the southern part of the province, at 
Winslow. 
The rosy apple aphid and the apple grain aphid are reported as 
numerous and widespread in the Annapolis Valley, Nova Scotia. In the 
Niagara district, Ontario, at the end of April, the s tern mothers of 
common species of fruit-tree aphid s were noted as apparently less 
