Chicken Body Louse vs Heart and Dart

Side-by-side species comparison

Attribute Chicken Body Louse Heart and Dart
Scientific Name Menacanthus stramineus Agrotis exclamationis
Order Phthiraptera Lepidoptera
Family Menoponidae Noctuidae
Size 3-3.5 mm 32-40 mm wingspan
Habitat Farmland Farmland
Diet Blood Feeders Root Feeders
Regions Europe, Asia, Africa, North America, South America, Oceania Europe, temperate Asia
Conservation Least Concern Least Concern

Chicken Body Louse

The most damaging louse of domestic poultry, feeding on feathers, skin, and blood. Heavy infestations cause feather loss, reduced egg production, and anemia.

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Did You Know?

This louse is unusual among bird lice because it actively feeds on blood by gnawing through pin feathers, not just on feather material.

Heart and Dart

An extremely common brown moth named for the heart and dart-shaped markings on its forewing. It is often the most abundant species in light traps across Europe.

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Did You Know?

A single light trap can capture over a thousand individuals in one night during peak emergence.