(redirected from ectoparasitic)
Also found in: Thesaurus, Medical, Encyclopedia.


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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biology) a parasite, such as the flea, that lives on the outer surface of its host. Also called: exoparasite
ectoparasitic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌɛk toʊˈpær əˌsaɪt)

an external parasite.
ec`to•par`a•sit′ic (-ˈsɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
PARC successfully devised the mechanism for management of ectoparasitic mitesvarroa destructor and Tropilaelaps clareae of honeybees.
Pest control measures vary depending on what kind of animal has entered your chimney, but the general rule is that you shouldn't light a fire or try to smoke the animal out Pests like raccoons can attack when they feel threatened, and rodents can spread ectoparasitic insect pests like ticks and fleas, so you don't want to come into direct contact with whatever animal has decided to seek shelter in your home.
Sea lice are ectoparasitic copepods that feed on host mucus, epidermal tissue, and blood, thereby causing sub-lethal effects, such as stress, appetite loss, and immune system depression, as well as lethal effects in heavily infected fish (Tully & Nolan, 2002; Fast et al., 2006; Burka et al., 2012).
Prevalence and impacts of ectoparasitic fauna infesting goats (Capra hircus) of district Toba Tek Singh, Punjab, Pakistan.
(2007) suggested a common ectoparasitic ancestor for monstrilloids and caligiform taxa, with a host shift from pelagic vertebrates (teleosts) to sessile benthic invertebrates coincident with the divergence of these two lineages, and also resulted in the proposed demotion of monstrilloids to a family of the order Siphonostomatoida.
In our study, pediculosis capitis was found with a rate of 1% and scabies was found with a rate of 0.62% among ectoparasitic diseases.
Biological activity of some plant essential oils against Varroa destructor (Acari: Varroidae), an ectoparasitic mite of Apis mellifera (Hymenoptera: Apidae).
Insecticide avermectin is widely used in Chinese mitten crab cell cultures, the main indication for use of avermectins is infestations with ectoparasitic copepods, avermectin is well-documented as very effective on all developmental stages of the parasites [15].
The results on the attachment sites of the different ectoparasitic groups of the pigeon biset revealed that the largest number of mites and lice is mainly located at the wings.
Tungiasis is an ectoparasitic skin disease caused by the penetration of the pregnant female sand flea Tunga spp.
Keywords: dermoscopy, chigger, Trombicula, entomodermoscopy, mite, ectoparasitic disease