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An online resource devoted to North American insects, spiders and their kin, offering identification, images, and information.
Drone Flies
Eristalis - an overview
Insect Identification
Syrphid Fly (Eristalis dimidiata) - Eristalis dimidiata
Black-shouldered Drone Fly
Drone Flies
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Minnesota Seasons - black-shouldered drone fly
Eristalis dimidiata hi-res stock photography and images - Alamy
EENY 445/IN809: Drone Fly, Rat-Tailed Maggot Eristalis tenax (Linnaeus) (Insecta: Diptera: Syrphidae)
Black-shouldered Drone Fly (Eristalis dimidiata) · iNaturalist Guatemala