Syrphid Fly

Pest: Syrphid Fly (Syrphidae family)

Pest Type: Beneficial Insect, Predaceous Fly

Major Identifying Features: Are often confused with honeybees because they have black and yellow bands on their abdomen, stingless, hover around flowers, larvae are legless and maggot shaped and have a yellow longitudinal stripe on back, tapered head, opaque skin, pupa are oblong, pear-shaped, and green to dark brown in color, pupation occurs on plants or on the soil surface

Life Cycle: Complete metamorphosis with 3 larval instars, females lay eggs usually near aphid eggs or within aphid colonies

Pest Rating: Beneficial!

Management Rating: Beneficial!

Host/Season/Outbreak Information: Syrphid flies are found in agricultural, landscape, and garden habitats where aphids are found, feed on pollen and nectar, larvae feed on insects

Support Information/Common Prey: Predaceous on aphids and other small, soft-bodied insects, a single syrphid larva can consume hundreds of aphids in a month

Management/Attraction Options: Not commercially available, plant nectar rich flowers and plants to attract syrphid flies

Source:

http://www.ipm.ucanr.edu

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