Northern Black Fly vs Luna Moth

Side-by-side species comparison

Attribute Northern Black Fly Luna Moth
Scientific Name Simulium venustum Actias luna
Order Diptera Lepidoptera
Family Simuliidae Saturniidae
Size 2-4 mm 80-115 mm wingspan
Habitat Forests Woodlands
Diet Omnivores Omnivores
Regions North America North America
Conservation Least Concern Least Concern

Northern Black Fly

A common biting black fly of northern forests and boreal streams. Larvae form dense colonies on submerged rocks in cold flowing water.

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Did You Know?

Females can detect carbon dioxide exhaled by hosts from over 20 meters away.

Luna Moth

A stunning lime-green moth with long trailing hindwing tails. Adults live only about one week. The long tails confuse bat echolocation by creating false echoes.

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Did You Know?

The luna moths long tail streamers confuse bat sonar — they spin behind the moth creating acoustic illusions that cause bats to miss their target 47% of the time.