VPA 211: General Veterinary Parasitology and Helminthology (3+1)

TYPES OF PARASITES

On the basis of activity in a day, parasites are further divided into

• Diurnal parasites
• Nocturnal parasites
• Crepuscular parasites
• Diurnal parasites are those that are active in the day, e.g. Musca domestica, Tabanus sp. of  flies

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• Nocturnal parasites are those that are active at night, e.g. Anopheline mosquitoes

• Crepuscular refers to parasites that are active at twilight (dawn or dusk), e.g. the biting midge, Culicoides sp.