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Ash (Fraxinus)-Oystershell scale Lepidosaphes ulmi Pest description and damage Scale insects are small (less than 0.125 inch in length) soft insects that live beneath waxy scales. These insects are often identified by the shape and size of their scales, t ...

Aspen (Populus tremuloides)-Aspen leaf blotch miner Phyllonorycter apparella Pest description and damage Adults of this insect are tiny moths with about a 0.2-inch wingspan. Early instar larvae are flat and mine within leaves of the host. The larvae produ ...

Aspen (Populus tremuloides)-Poplar twiggall fly Euhexomyza schineri Pest description and damage Adults are stout, shiny, dark flies about 0.16 inch in length. The developing gall fly is a greenish-yellow maggot that causes galls to form on the current sea ...

Aspen (Populus tremuloides)-Oystershell scale Lepidosaphes ulmi Pest description and damage Scale insects are small (less than 0.125 inch in length) soft insects that live beneath waxy scales. These insects are often identified by the shape and size of th ...

Azalea (Rhododendron)-Azalea bark scale Eriococcus azaleae Pest description and damage Scale insects are small (less than 0.125 inch in length) soft insects that live beneath waxy scales. These insects are often identified by the shape and size of their s ...

Azalea (Rhododendron)-Lace bug Azalea lace bug (Stephanitis pyrioides) Rhododendron lace bug (Stephanitis rhododendri) Pest description and damage Lace bugs are tiny true bugs that cause significant feeding damage to broadleaf evergreens including androme ...

Azalea (Rhododendron)-Azalea leafminer Caloptilia azaleella Pest description and damage The adult insect is a golden yellow moth about 0.5 inch in length with antenna that run the length of the moth's body. The larvae are small, pale yellow to green ...

Azalea (Rhododendron)-Oblique-banded leafroller Choristoneura rosaceana Pest description and damage The oblique-banded leafroller larvae roll and tie leaves together for shelter and feeding. The newly hatched larvae first surface mine leaves, then roll an ...

Azalea (Rhododendron)-Root weevil Numerous species in several genera, including Nemocestes, Sciaphilus, Sciopithes, Strophosoma, and Trachyphloeus Pest description and damage Identification is important: species differ in susceptibility to pesticides. Adu ...

Azalea (Rhododendron)-Azalea sawfly Euura lipovskyi Pest description and damage Azalea sawfly adults are small black fly-like insects. The larvae are green and closely match the leaf color of their host plants. They feed only on Rhododendron mollis and R. ...