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Birch (Betula)-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 ...
California lilac (Ceanothus)-Ceanothus leafminer Tischeria ceanothi Pest description and damage Tiny (around 0.2 inch in length) drab grayish moths may be seen flying in clouds around plants. They lay eggs on leaves. The tiny leafminer eats into the leave ...
Holly (Ilex)-Root weevil Numerous species Pest description and damage Identification is important as the numerous species differ in susceptibility to pesticides. Adult weevils are dark colored, nocturnal beetles from 0.2 to 0.25 inch in length, with a sno ...
Ivy (Hedera)-Root weevil Numerous species Pest description and damage Identification is important as each species differs in susceptibility to pesticides. Adult weevils are dark colored, nocturnal beetles from 0.2 to 0.25 inch in length, with a snout (ros ...
Japanese holly (Ilex)-Root weevil Numerous species Pest description and damage Identification is important as each species differs in susceptibility to pesticides. Adult weevils are dark colored, nocturnal beetles from 0.2 to 0.25 inch in length, with a s ...
Juniper (Juniperus)-Root weevil Numerous species Pest description and damage Identification is important as root weevil species differ in susceptibility to pesticides and may have different life cycles. Adult weevils are dark colored, nocturnal beetles fr ...
Kinnikinnick (Arctostaphylos)-Root weevil Numerous species Pest description and damage Identification is important as root weevil species differ in susceptibility to pesticides and may have different life cycles. Adults of most of the species are all fema ...
Peach, flowering (Prunus)-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, bir ...
Willow (Salix)-Willow beaked-gall midge Rabdophaga rigidae Pest description and damage The adult beaked-gall midge is a small black fly about 0.2 inch in length. The larvae are about 0.2 inch long when mature. The adult midge lays eggs on buds in the spri ...
Willow (Salix)-Poplar-and-willow borer Cryptorhynchus lapathi Pest description and damage The adult poplar-and-willow borer is a black and pink to cream-colored weevil (a flightless snout beetle), about 0.375 inch in length. The larvae are white, legless, ...