Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract

Results of forest insect and disease surveys in the North Central Region of Ontario, 1983.

Abstract

The major insect pests dealt with in this report on forest pests, diseases and abiotic damage in Ontario are Bucculatrix canadensisella, Choristoneura fumiferana, C. pinus, Eucosma gloriola, Fenusa pusilla, Malacosoma disstria, Monochamus scutellatus, Neodiprion abietis, N. nanulus, Phyllonorycter ontario, Pikonema alaskensis, Pissodes strobi, Pristiphora erichsonii and P. geniculata. Damage to white spruce [Picea glauca] by a species of Formica near F. exsectoides is described, and notes are provided on about 20 other insect pests. Special surveys on black spruce [P. mariana] (including seed and cone pests) and jack pine [Pinus banksiana] are also described.