black fly

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black fly

or

blackfly

(blăk′flī′)
n.
Any of various small, dark-colored biting flies of the family Simuliidae, the larvae of which attach to rocks in streams and other flowing waters. Also called buffalo gnat.
A Simulidium spp fly measuring 1–5 mm which sucks blood and causes haemorrhagic oozing papules, edema and lymphadenopathy which, in tropical Africa and Central and South America, is a vector for Onchocerca volvulus

black fly

One of various small, hump-backed, dark coloured biting flies of the family Simuliidae . The black fly Simulium damnosum transmits ONCHOCERCIASIS.

black fly

a term which covers a number of genera and species. In some areas in the summer months they cause a great deal of insect worry to animals. The annoyance may be sufficiently severe to result in animals being injured or even killed while stampeding. They also play a part in the transmission of Onchocerca spp. Called also buffalo gnat, sandfly, cnephia, Austrosimulium pestilens, A. bancrofti. See also simuliumarticum, simuliumornatum.
References in periodicals archive ?
Citrus blackfly, Aleurocanthys woglumi Ashby (Homoptera, Aleyrodidae).
The figure 2 presents the citrus blackfly spatial distribution semivariogram in the MPS and APS, respectively.
A variety of factors (water temperature, velocity, streambed, dissolved oxygen concentration and vegetation) acting in concert have been found to influence the blackfly richness in the streams of central Amazonia (8).
In 1992, mosquito and blackfly abundance did not vary with time of the day (Table 1) or among sites (Table 2).
You will find greenfly and blackfly - small, wingless insects - on the tips of shoots and buds and the undersides of leaves, both outdoors and in the greenhouse.
Although this worm infects cattle, not people, it is spread by the same blackfly that distributes O.
Tens of thousands of Americans are seeing Juke--Bar, Get A Job and Blackfly on their television sets, a situation that happens all too infrequently here.
Bites from a blackfly carrying the microscopic worm Onchocerca volvulus transmit the disease known as river blindness.
Blackfly is the gardener's curse Cute Nutkins is a thief.
Greenfly and blackfly breed fast so keep on top of them and plant a variety of plants which will attract beneficial insects to keep a balance between pests and predators.