horsefly


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horsefly,

common name for the large hairy 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 Tabanidae. Male horseflies feed on pollen and nectar, but the females suck blood as well and are common pests of animals and sometimes of humans. The bites of many species are very painful. The larger horseflies, e.g., the mourning horsefly and the 1-in. (2.5-cm) black horsefly, belong to the genus Tabanus; the smaller and more common banded horseflies, with black, brown, or yellow bodies and brilliantly colored eyes, are members of the genus Chrysops. The deerflies, which carry the diseases anthraxanthrax
, acute infectious disease of animals that can be secondarily transmitted to humans. It is caused by a bacterium (Bacillus anthracis) that primarily affects sheep, horses, hogs, cattle, and goats and is almost always fatal in animals.
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 and tularemiatularemia
or rabbit fever,
acute, infectious disease caused by Francisella tularensis (Pasteurella tularensis). The greatest incidence is among people who handle infected wild rabbits.
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, and in Africa, a filarial worm infestation, belong to this group. Horseflies are most abundant in hot weather. The eggs are laid on plants or stones close to water. The somewhat flattened 1-2-in. (1.3-cm) larvae have fleshy protuberances on each body segment, aiding in locomotion; they live in water or in moist earth and feed on snails and on other insect larvae. Horseflies 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 Tabanidae. 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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horsefly

any large stout-bodied dipterous fly of the family Tabanidae, the females of which suck the blood of mammals, esp horses, cattle, and man
References in periodicals archive ?
After that RFP was issued, Lloyd said that the county approached Horsefly to suggest they join the pilot program, for which Horsefly will pay $6,250 to Montrose County.
2005, Taphonomic variations in Eocene fish-bearing varves at Horsefly, British Columbia, reveal 10 000 years of environmental change: Canadian Journal of Earth Sciences, v.
The codename Horsefly was given to this type of operation.
There are three sorts - the common housefly, the lesser housefly and the biting horsefly.
Like most insects, a horsefly has two large compound eyes.
At times, of course, it is difficult--as a former colleague once made clear--to distinguish between a horsefly and a gadfly.
LOCATION: 11 MILES WEST OF RIDGWAY BETWEEN PAXTON RESERVOIR AND HORSEFLY PEAK
the Cortez kids end up on an isle in the Bermuda Triangle where a scientist named Romero (Steve Buscemi) has created some literal genetic mutations on a grand scale - think horsefly.
All you heard was the squawk of a jaybird and the buzz of a horsefly.
A talented teamster could crack this whip and get cooperation from the teams without ever touching them, and many could flick a horsefly off a mule's ear without causing the mule to even flinch.
But each huge eye of a horsefly (and many other insects) is made up of hundreds of lenses.
A HORSEFLY made a bee-line for him and bit him on the arm.