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Tuesday, 11 August 2026

30-7-2026 FOTA HOUSE GARDENS, IRELAND - EURASIAN DRONE FLY (Eristalis arbustorum)


The Eurasian Drone Fly (Eristalis arbustorum), also called the European drone fly or plain-faced dronefly, is a common hoverfly in the family Syrphidae. It mimics honeybee drones for protection, features an aquatic "rat-tailed maggot" larva, and acts as an effective flower pollinator.

Physical Traits & Identification

Size: Adults measure about 9 to 11 millimeters in length.

Face: Features a completely pale-dusted, white-haired face without a central dark stripe.

Body Markings: Abdominal color patterns vary widely depending on the temperature during larval growth, ranging from yellow-banded to almost entirely black.

Bee Mimicry: Looks like a male honeybee (drone), which helps deter predators.