Spotted Wing Drosophila (SWD)

Information and resources about monitoring, identification, and management of spotted wing drosophila (SWD), an invasive fruit fly.

Video series

Catalog fact sheet series

How Seasons Affect Population Structure, Behavior and Risk on Spotted-wing Drosophila

Temperatures do affect how quickly SWD reproduce, see how temperatures affect their life cycle.

Vaughn Walton, Linda Brewer, Daniel Dalton, Rachael Nieri, Kyoo Park, Ferdinand Pfab, Dalila Rendon, Gabriella Tait, Nik Wiman, Marco Rossi-Stacconi | Jun 2023 | Extension Catalog publication Peer reviewed (Orange level)

Cultural Control Strategies to Manage Spotted-wing Drosophila

Cultural controls can reduce spotted-wing drosophila population pressure by modifying the microclimate within the crop so that the environment does not promote SWD reproduction and survival.

Dalila Rendon, Serhan Mermer, Linda Brewer, Daniel Dalton, Cherre Bezerra Da Silva, Jana Lee, Rachael Nieri, Kyoo Park, Ferdinand Pfab, Gabriella Tait, Marco Rossi-Stacconi, Nik Wiman, Vaughn Walton | Jun 2023 | Extension Catalog publication Peer reviewed (Orange level)

Other resources

A Detailed Guide for Testing Fruit for the Presence of Spotted Wing Drosophila (SWD) Larvae

This detailed guide illustrates how to test fruit for the presence of the Spotted Wing Drosophila larvae by crushing the fruit, immersing it into a salt or sugar solution, and examining the fruit debris for larvae and pupae.

Amy J. Dreves, Adam Cave, Jana Lee | Mar 2023 | Extension Catalog publication Peer reviewed (Orange level)

Spotted Wing Drosophila: A Quick, 7-Step Guide to Detecting SWD Larvae in Fruit

This brief guide illustrates how to test fruit for the presence of larvae from the Spotted Wing Drosophila.

Amy J. Dreves, Adam Cave, Jana Lee | Mar 2023 | Extension Catalog publication Peer reviewed (Orange level)

For more research information, please visit OSU's Spotted Wing Drosophila site.

Published Dec 2018, Reviewed 2024

Authors

Vaughn Walton

Entomologist

Linda Brewer

Senior Faculty Research Assistant II, Department of Horticulture

Bernadine Strik

(Retired)

Dr. Patty Skinkis standing in OSU's research vineyard

Patricia A. Skinkis

Viticulture Extension Specialist

Peter Shearer

Research Entomologist

Oregon State University

Jana Lee

Research Entomologist

USDA-ARS-HCRL

Man-Yeon Choi

Research Entomologist

USDA-ARS-HCRL

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