Western Encephalitis Mosquito vs Hog Louse

Side-by-side species comparison

Attribute Western Encephalitis Mosquito Hog Louse
Scientific Name Culex tarsalis Haematopinus suis
Order Diptera Phthiraptera
Family Culicidae Haematopinidae
Size 4-6 mm 4-6 mm
Habitat Wetlands Farmland
Diet Blood Feeders Blood Feeders
Regions Western North America, from Canada to Mexico Europe, Asia, Africa, North America, South America
Conservation Least Concern Least Concern

Western Encephalitis Mosquito

A medium-sized mosquito with a distinctive white band on the proboscis and banded legs. It is the most important vector of Western equine encephalitis and St. Louis encephalitis in western North America. It breeds in a wide variety of sunlit and shaded water sources.

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Did You Know?

Its feeding behavior shifts seasonally from birds in spring to mammals in late summer, which drives encephalitis virus spillover to humans.

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.