IPM Scouting in Woody Landscape Plants
Christmas trees
Field crops
Fruit
Home and yard
Nursery and landscape
Turfgrass
Vegetable
Diagnostic Services
Soil/Plant Nutrient Lab
Enviro-weather
Regional IPM Center
Pesticide safety
Organic: New Ag Network
Invasive species
Sustainable ag & food systems
| Aphids | ||||||
| IPM scouting in woody landscape plants > aphids | ||||||
| Aphids are soft-bodied, pear-shaped, and can be distinguished from other insects by their tailpipe-like cornicles used to secrete pheromones. Cornicle length and shape are used as identifying characteristics of aphids.
Numerous aphids feed on trees and shrubs in the landscape. They may occur throughout the season when plants are actively growing. Some are vectors for viral diseases of plants. Symptoms: Aphids suck plant sap from leaves and stems causing distorted growth, yellowing of foliage and premature leaf drop. Aphids also excrete honeydew, a sticky substance that sooty mold fungi can grow on. Management: Aphids have many natural enemies, including syrphid fly larvae, lacewings, lady beetles and parasitic wasps. Soaps, oils and other insecticides are also effective. |
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| This information was developed from A Pocket IPM Scouting Guide for Woody Landscape Plants by Diane Brown-Rytlewski. Purchase this in a pocket-sized guide for reference in the orchard from MSU Extension (publication E-2839). |
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