False Stable Fly vs Silver Y

Side-by-side species comparison

Attribute False Stable Fly Silver Y
Scientific Name Muscina stabulans Autographa gamma
Order Diptera Lepidoptera
Family Muscidae Noctuidae
Size 7-10 mm 35-45 mm wingspan
Habitat Farmland Farmland
Diet Predators Nectar Feeders
Regions Europe, North America, Asia Europe, Asia, Africa
Conservation Least Concern Least Concern

False Stable Fly

A robust fly resembling a large house fly with reddish-yellow patches at the wing base. Larvae can be facultative predators of other fly larvae.

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Did You Know?

Its predatory larvae sometimes consume house fly larvae, making it an accidental biocontrol agent.

Silver Y

A migratory moth marked with a bright silvery Y or gamma symbol on each forewing. Billions migrate northward across Europe each spring in one of nature's great insect movements.

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Did You Know?

Radar studies revealed that up to 250 million Silver Y moths cross into Britain in a single summer.