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A parasite, such as a flea, that lives on the exterior of another organism.

ec′to·par′a·sit′ic (-sĭt′ĭk) adj.
ec′to·par′a·sit·ism n.


(Biology) a parasite, such as the flea, that lives on the outer surface of its host. Also called: exoparasite
ectoparasitic adj


(ˌɛk toʊˈpær əˌsaɪt)

an external parasite.
ec`to•par`a•sit′ic (-ˈsɪt ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ectoparasite - any external parasitic organism (as fleas)
parasite - an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host
flea - any wingless bloodsucking parasitic insect noted for ability to leap
References in periodicals archive ?
BLOWFLY are the main ectoparasite affecting sheep in the UK; they cause Strike (Cutaneous Myiasis) which is a serious condition of animals all over the world.
Ectoparasite specimens from this study were deposited in the General Ectoparasite Collection at Georgia Southern University (Department of Biology) under accession numbers L-3533 through L-3547.
Part I: Ectoparasite prevalences in sheep and in goats in and around Wolaita soddo, Southern Ethiopia.
The researchers acknowledge they'll need to test a broader range of countries before ruling out the earlier ectoparasite hypothesis.
Amitraz is an agricultural insecticide and veterinary pesticide used to treat ectoparasite infections in animals.
ABSTRACT: The deer ked (Lipoptena cervi) is an Old World dipteran ectoparasite of moose (Alces alces) and other Cervidae.
Adaptative significance of avian beak morphology for ectoparasite control.
There were examined 720 dogs from 57 towns and found that 84% of the animals were infested by at least one ectoparasite (Table 1).
Comparative rates of ectoparasite infestation on deer and harvest mice.
Ivermectin has been used to treat onchocerciasis, lymphatic filariasis, helminthiases, and ectoparasite infections such as scabies.
Ectoparasite and hemoparasite infection in a diverse temperate lizard assemblage at Macres Flat, South Island, New Zealand.