Heath Bee Fly vs Reindeer Warble Fly

Side-by-side species comparison

Attribute Heath Bee Fly Reindeer Warble Fly
Scientific Name Bombylius minor Hypoderma tarandi
Order Diptera Diptera
Family Bombyliidae Oestridae
Size 7-10 mm 13-17 mm
Habitat Beaches & Coastal Heathland
Diet Nectar Feeders Omnivores
Regions Europe Scandinavia, Finland, northern Russia, Siberia, Arctic Canada, Alaska
Conservation Least Concern Least Concern

Heath Bee Fly

A small, late-summer bee fly with greyish fur and clear wings. Its larvae parasitize solitary wasps in sandy habitats.

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Did You Know?

Unlike most bee flies that appear in spring, this species flies mainly in July and August.

Reindeer Warble Fly

A stout, furry fly that parasitizes reindeer and caribou. Females dart at reindeer to lay eggs on their legs. Larvae burrow through the skin and migrate through the body, creating warble lumps under the back skin.

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Did You Know?

The buzzing of this fly causes reindeer to panic and stampede, and heavy infestations can reduce a reindeer's body weight by up to 25 percent.