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 | Dec 2019 | Extension Catalog publication

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 | Dec 2019 | Extension Catalog publication

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 | Oct 2014 | Extension Catalog publication