Haemonchus

{{Short description|Genus of roundworms}}

{{Automatic taxobox

|image =

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|taxon = Haemonchus

|authority = Cobb, 1898

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Haemonchus is a genus of nematodes belonging to the family Trichostrongylidae.{{cite web |title=Haemonchus Cobb, 1898 |url=https://www.gbif.org/species/2283553 |website=www.gbif.org |access-date=25 November 2021 |language=en}}

They are abomasal parasites that cause anemia, followed by white eye disease.

The genus has cosmopolitan distribution.

Species:

• Haemonchus contortus {{small|(Rudolphi, 1803)}}
• Haemonchus longistipes
• Haemonchus placei {{small|(Place, 1893)}}
• Haemonchus similis {{small|Travassos, 1914}}