Find information about insect pests and invasive species that affect Connecticut’s forests, landscapes, farms, and gardens. These resources cover forest pests, ornamental plant pests, and pests that affect fruit and vegetable crops.
Use this collection to learn about pest identification, monitoring, management, and related resources. You can also access information about invasive species and other pests that may affect plants and natural areas across the State.
Mile-a-minute weed
Learn about mile-a-minute weed, an invasive plant that can spread quickly and affect forests, fields, and natural areas.
Forest pests
Find information about insects and other pests that affect Connecticut’s forests, trees, and woodland health.
Asian Longhorned Beetle (Anoplophora glabripennis) (PDF)
Emerald Ash Borer (Agrilus planipennis) (PDF)
Factsheets
European Hardwood Ambrosia Beetle (Trypodendron domesticum) (PDF)
Oak Ambrosia Beetle (Platypus quercivorus) (PDF)
Rough Shouldered Longhorned Beetle (Anoplophora chinensis) (PDF)
Velvet Longhorned Beetle (Trichoferus campestris) (PDF)
Spotted Lanternfly (Lycorma delicatula)
Ornamental pests
- Apple Proliferation (Candidatus Phytoplasma mali) (PDF)
- Box Tree Moth (Cydalima perspectalis) (PDF)
- European Stone Fruit Yellows (Candidatus Phytoplasma prunorum) (PDF)
- Phytoplasmas (PDF)
- Japanese Wax Scale (Ceroplastes japonicus) (PDF)
- Jujube Witches' Broom (Candidatus Phytoplasma ziziphi) (PDF)
- Ramorum Blight/Sudden Oak Death (Phytopthora ramorum) (PDF)
- Redheaded Flea Beetle (Systena frontalis) (Coleoptera: Chrysomelidae) (PDF)
Fruit and vegetable pests
- Black Maize Beetle (Heteronychus arator) (PDF)
- Christmas Berry Webworm (Cryptoblabes gnidiella) (PDF)
- Cucurbit Beetle (Diabrotica speciosa) (PDF)
- European Cherry Fruit Fly (Rhagoletis cerasi) (PDF)
- European Grape Vine Moth (Lobesia botrana) (PDF)
- Light Brown Apple Moth (Epiphyas postvittana) (PDF)
- Old World Bollworm (Helicoverpa armigera) (PDF)
- Spotted Wing Drosophila (Drosophila suzukii) (PDF)
- Summer Fruit Tortrix Moth (Adoxophyes orana) (PDF)
Summer fruit tortrix moth, Adoxophyes orana (Lepidoptera: Tortricidae) - http://www.invasive.org/browse/subinfo.cfm?sub=4937
Adoxophyes orana - Bugwood wiki - http://wiki.bugwood.org/Adoxophyes_orana
Epiphyas postvittana - Bugwood wiki - http://wiki.bugwood.org/Light_brown_apple_moth