Semaphore Fly vs True Armyworm Moth

Side-by-side species comparison

Attribute Semaphore Fly True Armyworm Moth
Scientific Name Poecilobothrus nobilitatus Mythimna unipuncta
Order Diptera Lepidoptera
Family Dolichopodidae Noctuidae
Size 5-7 mm 35-45 mm wingspan
Habitat Gardens Farmland
Diet Omnivores Omnivores
Regions Europe North America, South America, Europe, Africa, Oceania
Conservation Least Concern Least Concern

Semaphore Fly

A tiny metallic green fly where males have conspicuous white-tipped wings used in semaphore-like courtship displays. It is extremely common around garden ponds and puddles.

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Did You Know?

Males stand on mud and wave their white-tipped wings like semaphore flags to attract females watching nearby.

True Armyworm Moth

A tawny-brown moth with a single white dot on each forewing. Its larvae march in armies across fields, devastating cereal crops.

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Did You Know?

Larvae travel in large groups across the ground like a marching army, hence the common name.