Search Insect Handbook

Willow (Salix)-Fall webworm Hyphantria cunea Pest description and damage These gregarious caterpillars spin web-like tents in branch tips of deciduous trees including apple, cherry, peach, pecan, English walnut, black walnut, ash, boxelder, birch, chokech ...

Willow (Salix)-Flea beetle Alder flea beetle (Altica ambiens) Pest description and damage Both adults are dark, shiny blue, and about 0.25 inch in length. Larvae are black and about 0.25 inch long at maturity. Adults chew holes in leaves while the larvae ...

Willow (Salix)-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 ...

Willow (Salix)-Tent caterpillar Forest tent caterpillar (Malacosoma disstria) Western tent caterpillar (Malacosoma californica) Pest description and damage The western tent caterpillar attacks a wide variety of plants including alder, ash, birch, cottonwo ...

Yew (Taxus)-Cottony camellia scale Pulvinaria floccifera 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 sca ...

Yew (Taxus)-False spider mite Pentamerismus taxi Pest description and damage These mites are small (0.01 inch in length), deep red, small, short-legged mite generally flattened in shape. These mites are at the base of needles, often in considerable number ...

Yew (Taxus)-Lecanium scale Includes Parthenolecanium corni 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 ...

Yew (Taxus)-Root weevil Includes Black vine weevil (Otiorhynchus sulcatus) Clay-colored weevil (Otiorhynchus singularis) Strawberry root weevil (Otiorhynchus ovatus) Pest description and damage Adult weevils are dark colored, nocturnal beetles about 0.25 ...

Yew (Taxus)-Spruce bud scale Physokermes piceae 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, the ...

Alder (Alnus)-Fall webworm Hyphantria cunea Pest description and damage These gregarious caterpillars spin web-like tents in branch tips of deciduous trees including apple, cherry, peach, pecan, English walnut, black walnut, ash, boxelder, birch, chokeche ...