gnat


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gnat,

common name for any one of a number of small, fragile-looking two-winged flies of the suborder Nematocera, order Diptera, which includes the families Tipulidae (crane fliescrane fly,
true fly resembling a mosquito, often called daddy longlegs because of its six long, delicate legs. (The harvestman, also called daddy longlegs, belongs to an unrelated order.) Most species of crane flies have a single pair of wings and slender bodies.
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), Bibionidae (hairflies), Ceratopogonidae (biting midgesmidge,
name for any of numerous minute, fragile flies in several families. The family Chironomidae consists of about 2,000 species, most of which are widely distributed. The herbivorous larvae are found in all freshwaters; the larvae of some species live in saltwater.
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), Chironomidae (true midges), Cecidomyidae (gall midges), Simuliidae (black fliesblack fly,
name for any of the flies of the family Simuliidae. The black fly is about 1-8 in. (3.2 mm) long and has large eyes, short legs, a stout, humped back, broad gauzy wings, and piercing-sucking mouthparts.
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), Culicidae (mosquitoesmosquito
, small, long-legged insect of the order Diptera, the true flies. The females of most species have piercing and sucking mouth parts and apparently they must feed at least once upon mammalian blood before their eggs can develop properly.
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), and others. They often assemble together in large mating swarms. In England mosquitoes are called gnats; in the United States it is chiefly the smaller forms of Diptera, especially irritating because of their great numbers and their vicious biting habits, that are referred to as gnats. All gnats have long, hairlike antennae, which are particularly well-developed in the males. Gnat larvae are free-living, most feeding on plants. Larval plant feeders, e.g., the Hessian flyHessian fly,
European gall gnat, Phytophaga destructor, so named because it was first observed in America shortly after the Hessian troops landed on Long Island in the American Revolution. It is one of the most destructive pests of wheat, barley, and rye.
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 larvae, cause root, stem, and 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. One group of dipterans (family Chloropidae) of the suborder Cyclorrhapha are commonly called eye gnats, or eye flieseye fly,
common name for a group of small flies of the family Chloropidae. Eye flies are common in parts of California and in the S United States. They inhabit grasslands and meadows and breed mainly on decaying matter and excrement.
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. Gnats are classified in the phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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, class Insecta, order Diptera.

gnat

[nat]
(invertebrate zoology)
The common name for a large variety of biting insects in the order Diptera.

gnat

chicken-sized insect that tells Alice all about other strange insects. [Br. Lit.: Lewis Carroll Through the Looking-glass]
See: Insect

gnat

any of various small fragile biting dipterous insects of the suborder Nematocera, esp Culex pipiens (common gnat), which abounds near stagnant water

Gnat

(language, tool)
An Ada compiler written in Ada using the gcc code generator to allow easy porting to a variety of platforms. Gnat is the only Ada compiler that completely implements the Ada standard, including all the annexes.

The compiler is released under the GNU license and is currently maintained by Ada Core Technologies (ACT).

http://gnat.com/.
References in periodicals archive ?
Over the last four years, the opposition has behaved like the gnat that rested on the bull's horn with an unproven sense of entitlement.
Under the circumstances, the airstrip that he saw was a god sent, no matter that he stepped off his Gnat as a vanquished aviator.
As the dots grew bigger, Yousuf realised that they were four enemy Gnats.
Today, Skylive cofounder Chris Petty said he completely understood the decision and revealed the Gnat team is even trying to help find a replacement.
The tragedy comes just a week after the Gnat team apologised on Twitter for cancelling an appearance at another air show in Scotland because one of their jets was "poorly".
The Heritage Aircraft Trust, which runs the civilian display team, said: "Kevin was a Royal Air Force-trained fast jet pilot whose enthusiasm for flying the Folland Gnat was infectious.
The STRAST team is using the GNAT technology to program the control software of the satellite's on-board LEON3 processor, which is expected to reach 20,000 lines of code.
AdaCore, a provider of software solutions for the programming language Ada, said today that it will soon release GNAT Programming Studio (GPS) 5.
We now have the attention span of a gnat, and demand instant gratification.
Worldwide Computer Products News-13 October 2009-AdaCore introduces new version of GNAT Programming Studio(C)1995-2009 M2 COMMUNICATIONS http://www.
Dispersal of Verticillium alboatrum by the fungus gnat (Bradysia impatiens).