Phenology and control of the onion maggot (Diptera: Anthomyiidae) in Michigan onion production

The phenology and control of the onion maggot, Delia antiqua (Meigen) (Diptera: Anthomyiidae), were investigated in commercial onion fields in Michigan from 1978 to 1980. First-generation emergence of adults occurred at 399 Dδ (degree-days) (4.4°C base). Second- and third-generation emergence occurr...

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Veröffentlicht in:Agriculture, ecosystems & environment ecosystems & environment, 1985-01, Vol.12 (3), p.189-200
Hauptverfasser: Whitfield, G.H., Carruthers, R.I., Haynes, D.L.
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Sprache:eng
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