Alfalfa weevil Minimum of 30 stems per field collected in a W-pattern, place stems top first in bucket, measure stem height and count the number of larvae per stem Pea aphid Collect a minimum of 30 ...

the little leaf notcher, and the effect of feeding injury on net CO2 assimilation and water use efficiency. Feeding by either male or female weevils began at the margin of the citrus leaf and ...

Alfalfa growers dealt with significant feeding damage from alfalfa weevils ... Manitoba is also tracking two newer pests: the cabbage seed pod weevil and pea leaf weevil. These insects, which arrived ...