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Crabapple, flowering (Malus)-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, but cherry is the preferred host. The larvae are 0.33 to 0.4 i ...

Crabapple, flowering (Malus)-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, ...

Crabapple, flowering (Malus)-Leafroller Includes Fruittree leafroller (Archips argyrospila) Oblique-banded leafroller (Choristoneura rosaceana) Pest description and damage The leafroller pests can be divided into single-generation moths, such as the fruit ...

Crabapple, flowering (Malus)-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 t ...

Crabapple, flowering (Malus)-Rose leafhopper Includes Edwardsiana rosae Pest description and damage Rose leafhoppers are small (0.14 to 0.16 inch in length), active, whitish-green insects that run forward, sideways, or backward when disturbed. The nymphs ...

Crabapple, flowering (Malus)-San Jose scale Quadraspidiotus perniciosus 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 si ...

Crabapple, flowering (Malus)-Spider mite Tetranychus spp. Pest description and damage Several species of spider mites can cause damage in deciduous, evergreen, and coniferous ornamentals. Appearance of these mites varies with the species, although all are ...

Crabapple, flowering (Malus)-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, b ...

Daffodil (Narcissus)-Bulb mite Rhizoglyphus echinopus Pest description and damage Mature bulb mites vary in length from about 0.02 to 0.03 inches and have four pairs of legs. Their bodies are shiny, white, somewhat transparent, and smooth with reddish bro ...

Daffodil (Narcissus)-Bulb fly Lesser bulb fly (Eumerus funeralis) Narcissus bulb fly (Merodon equestris) Pest description and damage The adult narcissus bulb fly is about 0.5 inch in length and closely resembles a small bumblebee; it can be recognized by ...