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Organic Management of Swede Midge

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Hodgdon, Elisabeth A.; Chen, Yolanda H.; Hoepting, Christine A.; Hallett, Rebecca H.
Abstract
Swede midge (Contarinia nasturtii) is a small (1/16” long) invasive fly that is a serious pest of Brassica (cruciferous) vegetable crops, including broccoli, cabbage, and kale. The insect was named for one of its hosts in Europe, the “swede,” a type of forage turnip. Management of swede midge is particularly challenging because of its small size, hidden feeding behavior, low damage threshold, and life cycle consisting of multiple overlapping generations during the growing season. Small-scale organic growers with insufficient space for crop rotation to break the swede midge life cycle are especially at risk for economic losses from this pest.
Description
NYS IPM Type: Vegetables IPM Fact Sheet
Date Issued
2017Publisher
New York State IPM Program
Subject
Agricultural IPM; Vegetables; Cole Crops; Organic
Type
fact sheet