Louse fly
Louse Louse (lous), n.; pl. {Lice} (l[imac]s). [OE. lous, AS. l[=u]s, pl. l[=y]s; akin to D. luis, G. laus, OHG. l[=u]s, Icel. l[=u]s, Sw. lus, Dan. luus; perh. so named because it is destructive, and akin to E. lose, loose.] (Zo["o]l.) 1. Any one of numerous species of small, wingless, suctorial, parasitic insects belonging to a tribe ({Pediculina}), now usually regarded as degraded Hemiptera. To this group belong of the lice of man and other mammals; as, the head louse of man ({Pediculus capitis}), the body louse ({Pediculus vestimenti}), and the crab louse ({Phthirius pubis}), and many others. See {Crab louse}, {Dog louse}, {Cattle louse}, etc., under {Crab}, {Dog}, etc. [1913 Webster]

2. Any one of numerous small mandibulate insects, mostly parasitic on birds, and feeding on the feathers. They are known as Mallophaga, or bird lice, though some occur on the hair of mammals. They are usually regarded as degraded Pseudoneuroptera. See {Mallophaga}. [1913 Webster]

3. Any one of the numerous species of aphids, or plant lice. See {Aphid}. [1913 Webster]

4. Any small crustacean parasitic on fishes. See {Branchiura}, and {Ichthvophthira}. [1913 Webster]

Note: The term is also applied to various other parasites; as, the whale louse, beelouse, horse louse. [1913 Webster]

{Louse fly} (Zo["o]l.), a parasitic dipterous insect of the group Pupipara. Some of them are wingless, as the bee louse.

{Louse mite} (Zo["o]l.), any one of numerous species of mites which infest mammals and birds, clinging to the hair and feathers like lice. They belong to {Myobia}, {Dermaleichus}, {Mycoptes}, and several other genera. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • louse fly — n any dipteran insect of the family Hippoboscidae …   Medical dictionary

  • louse fly — ▪ insect  any insect of the parasitic family Hippoboscidae (order Diptera) characterized by piercing mouthparts used to suck blood from warm blooded animals. Genera occur in both winged and wingless forms. The winged louse flies, parasitic on… …   Universalium

  • louse fly — noun bloodsucking dipterous fly parasitic on birds and mammals • Syn: ↑hippoboscid • Hypernyms: ↑dipterous insect, ↑two winged insects, ↑dipteran, ↑dipteron • Hyponyms: ↑ …   Useful english dictionary

  • louse fly — noun a flattened bloodsucking fly which typically spends much of its life on an individual host. [Family Hippoboscidae: many species.] …   English new terms dictionary

  • pigeon louse fly — noun : pigeon fly …   Useful english dictionary

  • Louse — (lous), n.; pl. {Lice} (l[imac]s). [OE. lous, AS. l[=u]s, pl. l[=y]s; akin to D. luis, G. laus, OHG. l[=u]s, Icel. l[=u]s, Sw. lus, Dan. luus; perh. so named because it is destructive, and akin to E. lose, loose.] (Zo[ o]l.) 1. Any one of… …   The Collaborative International Dictionary of English

  • Louse mite — Louse Louse (lous), n.; pl. {Lice} (l[imac]s). [OE. lous, AS. l[=u]s, pl. l[=y]s; akin to D. luis, G. laus, OHG. l[=u]s, Icel. l[=u]s, Sw. lus, Dan. luus; perh. so named because it is destructive, and akin to E. lose, loose.] (Zo[ o]l.) 1. Any… …   The Collaborative International Dictionary of English

  • louse — n. /lows/; v. /lows, lowz/, n., pl. lice /luys/ for 1 3, louses for 4, v., loused, lousing. n. 1. any small, wingless insect of the order Anoplura (sucking louse), parasitic on humans and other mammals and having mouthparts adapted for sucking,… …   Universalium

  • fly — A two winged insect in the order Diptera. Important flies include Simulium (black f.), Calliphora (bluebottle f.), Piophila casei (cheese f.), Chrysops (deer f.), Siphona irritans (horn f.), Fannia scolaris (latrine f.), Oestrus ovis and… …   Medical dictionary

  • deer fly — noun 1》 a bloodsucking louse fly which is a parasite of deer. [Lipoptena cervi.] 2》 a bloodsucking horsefly which attacks large mammals and can transmit various diseases. [Genus Chrysops.] …   English new terms dictionary

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