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Poplar (Populus)-Rose leafhopper Includes Edwardsiana rosae Pest description and damage Rose leafhoppers are small (roughly 0.15 inch in length), active, whitish-green insects which run forward, backward, or sideways when disturbed. The nymphs (immature) ...

Poplar (Populus)-Satin moth Leucoma salicis Pest description and damage The adult moth (over 1 inch wingspan) is satiny white with black markings on the legs. Larvae are approximately 2 inches in length when grown and reddish brown with double white patch ...

Privet (Ligustrum)-Lilac leafminer Gracillaria syringella Pest description and damage The adult insect is a golden yellow moth about 0.5 inch in length. The larvae are small, pale yellow to green caterpillars, 0.125 to 0.25 inch long. The larvae mine leav ...

Privet (Ligustrum)-Thrips Frankliniella spp. Pest description and damage Several species of thrips cause injury to many woody ornamentals. All are very small insects, less than 0.05 inch in length. Body color varies from reddish yellow to mid-dark brown. ...

Quince, flowering (Cydonia)-Cherry bark tortrix Enarmonia formosana Pest description and damage Cherry bark tortrix is a pest of most woody ornamental trees and shrubs in the family Rosaceae. The larvae are 0.33 to 0.4 inch in length, pale gray to flesh-c ...

Rhododendron (Rhododendron)-Aphid Includes Illinoia rhododendri and others Pest description and damage Rhododendron aphids are 0.09 to 0.13 inch in length and often spotted first by the cast exoskeletons of the aphids covering buds and sticky new growth. ...
Rhododendron (Rhododendron)-Azalea bark scale Eriococcus azaleae Pest description and damage The immature scales superficially resemble mealybugs in appearance. Mature female scales are about 0.125 inch in length and appear like white cottony sacs, often ...

Rhododendron (Rhododendron)-Azalea and rhododendron lace bug Azalea lace bug (Stephanitis pyrioides) Rhododendron lace bug (Stephanitis rhododendri) Pest description and damage Lace bugs use piercing-sucking mouthparts to feed on individual cells, so the ...

Rhododendron (Rhododendron)-Carnation tortrix Cacoecimorpha pronubana Description, biology and damage The larvae feed by rolling leaves and tying them with silk webbing. The caterpillars are light brown or greenish with brown heads and are about 0.375 to ...

Rhododendron (Rhododendron)-Cottony cushion scale Icerya purchasi Pest description and damage Female cottony cushion scales are orange, yellow, or brown, but their most distinguishing feature is the elongated, ribbed, white cottony egg sacs attached to th ...