Tree Insects

Wooly aphids produce a fluffy white waxy substance on new shoots of crabapple and other trees in the rose family.

Gloomy scale is a native type of armored scale insect and can be difficult to manage.

Oak lecanium scale (Parthenolecanium quercifex) is a native type of soft scale insect and is a common pest of oak trees.

San Jose Scale (Quadraspidiotus perniciosus) is a non-native type of armored scale insect and can be difficult to manage as their waxy body covering shields them from predators and certain pesticides.

Japanese maple scale (Lopholeucaspis japonica) is a non-native type of armored scale insect that can be difficult to manage. It can infest a large number of landscape plants.

European Fruit Lecanium Scale (Parthenolecanium corni), despite the name, is a native type of soft scale insect.

Calico scale (Eulecanium cerasorum) is a native type of soft scale insect and can be difficult to manage.

Honeydew, a sugary waste product is produced by many sap-sucking insects. Sooty mold is a fungus that grows on the honeydew.