Use extra caution. && Pennsylvania's Department of Environmental Protection will use a natural agent to kill black fly larvae on the Lehigh River starting Tuesday. That means "death from above ...

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Fly control for horse / deer flies is very difficult because only the females visit the animals and are only on the animal for short periods. The most effective means to limit the impact of these type ...

But stress likely takes more of a toll than the bites themselves, as the animal tries to seek some kind of relief from the flies. I’ve seen at least two deer this past week come sprinting out of ...