black fly

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black fly,

name for any of the fliesfly,
name commonly used for any of a variety of winged insects, but properly restricted to members of the order Diptera, the true flies, which includes the housefly, gnat, midge, mosquito, and tsetse fly.
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 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. The female inflicts a painful bite, sucking the blood of birds and mammals, including humans. Livestock and other large mammals may be bitten to death by swarms of black flies; the black fly problem of some subarctic regions is so severe as to make human settlement impossible. Some tropical African and American species carry the larvae of roundworms that in human hosts cause swellings of the skin and eyes and sometimes blindness. The eggs of black flies are commonly laid in masses on wet rocks, logs, and plants; the larvae live in fast flowing water, clinging to rocks by means of anal sucking disks and straining out organic matter by fanlike head organs. Pupation occurs underwater; the pupa accumulates a bubble of air in its case, enabling it to rise to the surface and emerge when mature. The Adirondack black fly, Simulium hirtipes, the white stockinged black fly, S. venustum, the buffalo gnat, S. pecuarum, and the turkey gnat, S. meridionale, are common species. Black flies 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, family Simuliidae. See insectinsect,
invertebrate animal of the class Insecta of the phylum Arthropoda. Like other arthropods, an insect has a hard outer covering, or exoskeleton, a segmented body, and jointed legs. Adult insects typically have wings and are the only flying invertebrates.
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References in periodicals archive ?
The study also determined the relationship of different biotic and abiotic parameters with blackfly species density to obtain information about their environmental preferences at micro level.
For example, we had stopped bottling Blackfly stout a few years ago, because demand had dropped off.
Q I have greenfly and blackfly on my roses and spray them regularly but they keep coming back.
When a blackfly bites, a juvenile form of the parasite enters the body.
Most outdoor plants will have pests surviving on woody plants as eggs (greenfly, blackfly, apple sucker) often close to buds or among bark, timing their hatching to coincide with bud burst in spring.
Inspect vulnerable plants - blackfly are attracted to nasturtiums, while lilies are prone to lily beetles.
Diagnosis is typically not difficult as the symptoms begin in the spring with the emergence of insects known as the Culicoides midge and Simulium Equinum (a member of the blackfly family), which feed on the blood of horses.
Most Trailblazing Animation that Dermands to Be Seen Again (and Again): Flux, the sublime NFB-pro-duced seven-minute-and-40-second ode to the life cycle, brought to us by Chris Hinton, the animation genius behind such oddities as Blackfly and Watching TV.
HKW's partnership program with Merck to administer Mectizan(R) began in 1994 in order to effectively treat onchocerciasis: an infectious disease transmitted through the bite of the blackfly.
Prune out the shoot tip of broad beans at the first sign of blackfly aphids to prevent severe infestation of all plants.
Salter's programming slate consists of the satire This Hour Has 22 Minutes, sci-fi series Lexx, Made in Canada, The Awful Truth with Michael Moore, Blackfly and Emily of New Moon.
Ron James plays Blackfly, some manner of small trader at an obscure trading post/fort with a c1760s setting, although there are references to the Revolutionary War.