Hog Louse vs Sumatran Flat-faced Longhorn

Side-by-side species comparison

Attribute Hog Louse Sumatran Flat-faced Longhorn
Scientific Name Haematopinus suis Batocera numitor
Order Phthiraptera Coleoptera
Family Haematopinidae Cerambycidae
Size 4-6 mm 50-90 mm
Habitat Farmland Farmland
Diet Blood Feeders Wood Feeders
Regions Europe, Asia, Africa, North America, South America Southeast Asia (Sumatra, Borneo, Java, Indonesia, Malaysia)
Conservation Least Concern Least Concern

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.

Sumatran Flat-faced Longhorn

A very large longhorn beetle with grey-brown mottled elytra and exceptionally long antennae. The flat face and powerful mandibles help it strip bark from living trees.

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Did You Know?

It can produce loud squeaking sounds by rubbing a file on its thorax, a stridulation behavior used to startle predators.