Hog Louse vs New Caledonian Imperial Pigeon Louse

Side-by-side species comparison

Attribute Hog Louse New Caledonian Imperial Pigeon Louse
Scientific Name Haematopinus suis Columbicola extinctus
Order Phthiraptera Phthiraptera
Family Haematopinidae Philopteridae
Size 4-6 mm 1-3 mm
Habitat Farmland Underground
Diet Blood Feeders Parasites
Regions Europe, Asia, Africa, North America, South America Oceania (New Caledonia)
Conservation Least Concern Extinct

Hog Louse

The largest louse found on domestic animals, exclusively parasitizing pigs. It feeds on blood and is most commonly found behind the ears and in skin folds.

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Did You Know?

At up to 6 mm long, the hog louse is the largest sucking louse known, easily visible to the naked eye on infested pigs.

New Caledonian Imperial Pigeon Louse

A chewing louse that was endemic to the now-extinct New Caledonian lorikeet. This species represents the coextinction phenomenon where parasites disappear with their hosts. It highlights the hidden biodiversity loss that accompanies vertebrate extinctions.

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Did You Know?

For every bird or mammal that goes extinct, an average of two to three unique parasite species disappear with it, representing a massive hidden wave of coextinction.