Efficacy of BotaniGard® against the mushroom phorid fly Megaselia halterata

Megaselia halterata (Wood) (Diptera: Phoridae) is a major pest of cultivated white button mushrooms, Agaricus bisporus (J.E.Lange) Emil J. Imbach (Agaricales: Agaricaceae), in the United States. Th...