Annual Report - Entomological Society of Ontario, Volumes 18-23

A. J. Cook abdomen abundant Agriculture American annual antennæ appearance apple attack bark beetle Bethune borer branch brown bugs butterflies Canada Canadian Entomologist caterpillars chrysalis cocoon Coleoptera collection colour common crop curculio cut-worms destroyed destructive early Economic Entomologists eggs Entomological Society experience farmers feed female fields Fletcher foliage fruit genera genus grasshoppers ground growers habits Harris hatched Hessian fly Hind wings Hymenoptera inch infested insects interest June large number larva larvæ leaves Lepidoptera locusts male meeting Montreal moths observed Ontario orchard Orthoptera Ottawa ovipositor paper parasites Paris green peach perfect insect pest plants plum plum curculio poison Port Hope present President Prof pupa Quebec remedy Riley Saunders season side Society of Ontario species specimens Spiracles spots spring summer taken thorax Toronto trees varieties wheat wing-covers winter wood worms yellow young