Category: Blueberry Pests
Caterpillars – Leaf Feeding
Bruce Spanworm and Winter Moth (Operophtera bruceata & O. brumata) Damage: Caterpillars feed in early spring on flower clusters, green berries and leaves. Insect:…
Caterpillars – Tent Forming
Forest and Western Tent Caterpillars (Malacosoma disstria & M. californicum) Damage: Fully enclosed tents or silken mats are built from May to June by…
Vertebrate Pests
Bird Damage (European Starlings, American Robin, Cedar Waxwing, Crows and other) Birds (European Starlings, American Robin, Cedar Waxwing, Crows and Others) Damage: Berries have…
Weevils
Clay Coloured Weevil (Otiorhynchus singularis) Green Immigrant Leaf Weevil (Polydrusus sericeus) Strawberry Root Weevil (Otiorhynchus ovatus) Rough Strawberry Root Weevil (Otiorhynchus rugosostriatus) Black Vine…
Slugs & Snails
Slugs and Snails Damage: Slugs and snails leave slime trails on leaves and fruit. They may become a contaminant in machine harvested fruit. Insect:…
Scales & Mealybugs
Lecanium Scale (Parthenolecanium spp.) Damage: Scale insects suck on plant sap and can weaken plants and cause twig dieback. Sticky honeydew is secreted from…
Tentiform Leafminers
Tentiform Leafminer (Phyllonorycter spp.) Damage: Leafminer larvae create transparent blotches or serpentine line patterns on the underside of leaves. The leaf surface appears bubbled.…
Caterpillars – Fruit Feeding
Cherry Fruitworm (Grapholita packardi) Damage: Larvae feed in developing (green) blueberry fruit by creating a pinhole entrance in the calyx area. Larvae feed and…
Spotted Wing Drosophila (SWD)
Spotted Wing Drosophila SWD (Drosophila suzukii) Damage: Female flies lay eggs in ripening fruit. Larvae feed within the fruit, turning the flesh brown, soft,…
Sawflies
Sawflies (Caliroa cerasi) Damage: Sawflies feed on the underside of older leaves, but rarely cause significant damage. Insect: Larvae are pale green and shiny…