Semaphore Fly vs Arctic Flower Fly

Side-by-side species comparison

Attribute Semaphore Fly Arctic Flower Fly
Scientific Name Poecilobothrus nobilitatus Platycheirus melanopsis
Order Diptera Diptera
Family Dolichopodidae Syrphidae
Size 5-7 mm 5-8 mm
Habitat Gardens Meadows
Diet Omnivores Herbivores
Regions Europe Arctic Canada, Alaska, Greenland, northern Scandinavia, Siberia
Conservation Least Concern Least Concern

Semaphore Fly

A tiny metallic green fly where males have conspicuous white-tipped wings used in semaphore-like courtship displays. It is extremely common around garden ponds and puddles.

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Did You Know?

Males stand on mud and wave their white-tipped wings like semaphore flags to attract females watching nearby.

Arctic Flower Fly

A small hover fly with a dark body and distinctive pale facial markings. It is an important pollinator of Arctic wildflowers. Larvae are predatory on aphids in tundra vegetation.

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Did You Know?

This hover fly is one of the most important pollinators in the High Arctic where bees are scarce or absent.