Western Predatory Mite

Beneficial Insect: Western Predatory Mite (Galendromus occidentalis)

Insect Type: Beneficial Insect

spider mite

Major Identifying Features: Western predatory mites do not have antennae, segmented bodies, or wings, they are the size of twospotted spider mites, but lack spots, range in color from cream to amber to red (they change color depending on what they eat), predatory mites are more active than regular spider mites, their mouth part is extended which can be seen under the microscope

Life Cycle: Shiny oval eggs are bigger than spider mite eggs, they pass through an egg stage, a six-legged larval stage and two 8-legged immature nymphal stages before becoming adults

Pest Rating: Beneficial!

Management Rating: Beneficial!

Host/Season/Outbreak Information: Tolerates hot climates as long the relative humidity is above 50%

Support Information/Common Prey: They feed on mites of all stages, including eggs, but they also feed on pollen, and other food, it is commercially available and released against Tetranychus spp. spider mites

Management/Attraction Options: Western predatory mites are commercially available

Source:

http://www.ipm.ucanr.edu

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