Subarctic Flesh Fly vs Flower Wasp

Side-by-side species comparison

Attribute Subarctic Flesh Fly Flower Wasp
Scientific Name Sarcophaga nigriventris Cerceris rybyensis
Order Diptera Hymenoptera
Family Sarcophagidae Crabronidae
Size 8-14 mm 8-14 mm
Habitat Heathland Heathland
Diet Carrion Feeders Predators
Regions Scandinavia, northern Russia, subarctic Canada, Alaska Europe
Conservation Least Concern Least Concern

Subarctic Flesh Fly

A medium-sized gray fly with black longitudinal stripes on the thorax and a checkered abdomen. Unlike most flies, females give birth to live larvae rather than laying eggs. Adults are found on carrion and dung.

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Did You Know?

By giving birth to live larvae that are ready to feed immediately, this fly gives its offspring a head start in the short Arctic summer.

Flower Wasp

A solitary wasp that hunts small mining bees to provision its nest. Nests in sandy soil, often in dense aggregations. Distinguished from other wasps by its hunting specialization.

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Did You Know?

Specializes in hunting mining bees (Andrena), catching them on flowers and carrying them back to its burrow.