Golden-belted Tachinid vs Arctic Hover Fly

Side-by-side species comparison

Attribute Golden-belted Tachinid Arctic Hover Fly
Scientific Name Ectophasia crassipennis Syrphus torvus
Order Diptera Diptera
Family Tachinidae Syrphidae
Size 6-10 mm 9-13 mm
Habitat Underground Tundra & Arctic
Diet Parasites Predators
Regions Europe Scandinavia, Finland, northern Russia, subarctic Canada, Alaska
Conservation Least Concern Least Concern

Golden-belted Tachinid

A colorful parasitic fly with golden-yellow markings and dark wing patches. Parasitizes shieldbugs and stink bugs. Often seen on umbellifer flowers.

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Did You Know?

The conspicuous wing markings may be involved in mating displays among the otherwise cryptic tachinid flies.

Arctic Hover Fly

A medium-sized hover fly with bold yellow and black banding that mimics a wasp. It is a skilled hoverer that can remain stationary in midair. Larvae are voracious predators of aphids on subarctic plants.

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Did You Know?

This hover fly is an important pollinator in subarctic regions where honeybees are absent, visiting many northern wildflowers.