Brimstone vs Subarctic Flesh Fly

Side-by-side species comparison

Attribute Brimstone Subarctic Flesh Fly
Scientific Name Gonepteryx rhamni Sarcophaga nigriventris
Order Lepidoptera Diptera
Family Pieridae Sarcophagidae
Size 52-60 mm wingspan 8-14 mm
Habitat Heathland Heathland
Diet Nectar Feeders Carrion Feeders
Regions Europe, Asia, North Africa Scandinavia, northern Russia, subarctic Canada, Alaska
Conservation Least Concern Least Concern

Brimstone

Males are vivid sulphur-yellow; females are pale greenish-white. Leaf-shaped wings provide excellent camouflage at rest.

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Did You Know?

The word butterfly may derive from the butter-yellow colour of the Brimstone, one of the earliest to fly.

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.