Black Flies Adirondacks 2025. A popular butterfly that summers in the adirondacks may get new protections in 2025 in new york and nationwide. We recently ran a story about how the warmer weather has prompted adirondack communities to deploy bti pesticide against black flies earlier than in past years.
Black flies are attracted to darker colors and carbon dioxide, so to minimize their impact, wear light clothing and don’t breathe. The flies breed in cold, clean running water and emerge when water temperatures hit.