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Gasterophilus intestinalis is a common bot fly in NE USA, and this horse shows the pock marks caused by the emerging larvae.
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Stanthorpe, Queensland, Australia
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For the wing enthusiasts; the wing of the horse bot-fly, Gasterophilus intestinalis. The fly itself could easily be mistaken at a glance for a syrphid or bumble bee. This insect is not native to Australia and is an internal parasite of horses.
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Tucson, Arizona, United States
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Tucson, Arizona, United States
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Metzozo, Maputo, Mozambique
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Metzozo, Maputo, Mozambique
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Atlanta, Georgia, United States
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Peglio, Lombardia, Italia