Forest Insect And Disease Conditions In Canada

In this report, pests considered to be currently most significantin terms of their present or potential economic or environmentalimpact are described in detail under "Major Forest Insects andDiseases." Regional surveys of pests are summarized under"Special Surveys." The status of many other pests is presentedin tabular form by region under the title "Other Insects andDiseases." A section on the Acid Rain National Early WarningSystem is included.

This document summarizes forest pest conditions in Alberta, Saskatchewan, Manitoba, and the Northwest Territories and provides predictions of damage levels by major pests for the year. Major pests and abiotic factors affecting forests are discussed, as well as special surveys of young stands, aspen forests, and a forest nursery. Additional noteworthy insects, diseases, and tree damage agents are reported.

This report outlines forest pest conditions in the Cariboo Forest Region for the year and attempts to forecast pest populations with emphasis on pests capable of sudden damaging outbreaks. A total of over 200 insect and disease collections were submitted.