Lady Beetle

Pest: Lady Beetle, Lady Bug (Hippodamia convergens)

Pest Type: Beneficial Insect, Predaceous Beetle

Major Identifying Features: Shiny, convex, half-dome shape, short and clubbed antennae, larvae and adults are predaceous, orange to red forewings with up to 13 black spots, black thorax with two converging white lines, 1/4 inch long, larvae are active, elongate, have long legs, and resemble tiny alligators, many lady beetles look very similar

Life Cycle: Complete metamorphosis, one or two generations per year

Pest Rating: Beneficial!

Management Rating: Beneficial!

Host/Season/Outbreak Information: Pupation occurs in sheltered places on stems or other substrates, overwinter in large aggregations in the Sierra Nevada, in the spring, adults fly down from the mountains to coastal areas and valleys

Support Information/Common Prey: Predaceous on aphids and occasionally other soft-bodied homopterans and white flies, used for aphid control in roses, can be important in every crop with aphid pests

Management/Attraction Options: Difficult in biological control because lady beetles have the tendency to disperse once the are released

Source:

http://www.ipm.ucanr.edu

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