Gnat

Gnat (PronEng|næt, "nat") is a colloquial name for many small insects in the order Diptera and specifically within the suborder Nematocera.

The males often assemble together in large mating swarms, particularly at dusk, called a "ghost".

Gnat larvae are mostly free-living and some are aquatic. Many feed on plants, though some are carnivorous. Larval plant feeders (e.g. the Hessian fly larva) cause root, stem, or leaf galls to be formed by the host plant. Some species of fungus gnats (families Mycetophilidae and Sciaridae) are very common pests of mushrooms and roots of potted plants in homes and greenhouses.

Some South American Pleurothallid orchids are pollinated by tiny gnats and have correspondingly small flowers.

Occasionally "gnat" is spelled "knat".

See also

* Black fly
* Eye gnat
* Gnat bug
* Gall gnats
* Sand gnat
* Dark-winged fungus gnat
* No-see-um
* Midge
* Mosquito


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  • Gnat — Gnat, n. [AS. gn[ae]t.] 1. (Zo[ o]l.) A blood sucking dipterous fly, of the genus {Culex}, undergoing a metamorphosis in water. The females have a proboscis armed with needlelike organs for penetrating the skin of animals. These are wanting in… …   The Collaborative International Dictionary of English

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  • gnat — gnat(o) , gnat, gnatie elem. Maxilar, falcă . (< fr. gnath/o/ , gnathe, gnathie, cf. gr. gnathos) Trimis de blaurb, 13.09.2007. Sursa: MDN …   Dicționar Român

  • gnat — O.E. gnætt gnat, midge, mosquito, earlier gneat, used of various small, flying insects, from P.Gmc. *gnattaz (Cf. Low Ger. gnatte, Ger. Gnitze); perhaps lit. biting insect and related to gnaw. The gnatte is a litil fflye, and hatte culex..he… …   Etymology dictionary

  • gnat — {{/stl 13}}{{stl 8}}rz. mnż I, D. a, Mc. gnacie, pot. {{/stl 8}}{{stl 20}} {{/stl 20}}{{stl 12}}1. {{/stl 12}}{{stl 7}} kość : {{/stl 7}}{{stl 10}}Połamać gnaty na nartach. {{/stl 10}}{{stl 20}} {{/stl 20}}{{stl 12}}2. {{/stl 12}}{{stl 7}}… …   Langenscheidt Polski wyjaśnień

  • gnat — [nat] n. [ME < OE gnæt, akin to Ger dial. gnatze, LowG gnatte < IE * ghnedh < base * ghen > GNAW] 1. any of various small insects, esp. certain dipterous flies, which often bite 2. Brit. a mosquito strain at a gnat to hesitate or have …   English World dictionary

  • gnat|ty — «NAT ee», adjective, ti|er, ti|est. 1. infested with gnats. 2. resembling a gnat …   Useful english dictionary


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