Local Infestation or Long-Distance Migration? The Seasonal Recolonization of Dairy Farms by Stomoxys calcitrans (Diptera: Muscidae) in South Central Ontario, Canada

Stable fly (Diptera: Muscidae) populations in south central Ontario, Canada, first occur on dairy farms in late spring, grow exponentially throughout the summer, and are frozen back each autumn. We examined the extent of overwinter persistence on 22 dairy farms in a 55- by 60-km region north of Lake...

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