Tabanus autumnalis – Large Marsh Horsefly February 15, 2020 admin Species Galleries – Flies – Tabanus autumnalis – Large Marsh Horsefly Large Marsh Horsefly - Tabanus autumnalis Large Marsh Horsefly - Tabanus autumnalis Large Marsh Horsefly - Tabanus autumnalis Large Marsh Horsefly - Tabanus autumnalis Large Marsh Horsefly - Tabanus autumnalis Large Marsh Horsefly - Tabanus autumnalis Large Marsh Horsefly - Tabanus autumnalis