Title: Confer Defoliators Of British Columbia
Subjects: Forest insects, Identification, Insect pests, Conifers, Diseases and pests, Sawflies, Larvae, Caterpillars, Host plants, Pictorial works, Lepidoptera, Hymenoptera, Arctiinae, Gelechiidae, Geometridae, Lycaenidae, Lymantriidae, Noctuidae, Notodontidae, Pyralidae, Saturniidae, Tortricidae, Yponomeutidae, Diprionidae, Pamphiliidae, Tenthredinidae, Cochylidae, Insectes forestiers, Insectes nuisibles, Conifères, Maladies et fléaux, Tenthrèdes, Larves, Chenilles, Plantes-hôtes, Ouvrages illustrés