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Black Fly
(redirected from blackfly)

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black fly
n.
Any of various small dark humpbacked flies of whom the females are aggressive biters and serve as vectors in the transmission of onchocerciasis.
Black Fly
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
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.
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Scientists hailed the findings a "historic milestone" in the fight against the disease also known as river blindness, because it is spread by blackfly which breeds in rivers.
River blindness can be stopped by drugs: WHO by AFP / AFP Global Edition
Onchocerciasis is also called river blindness because the blackfly which transmits the disease breeds in fast flowing rivers, and blindness is the most incapacitating symptom of the disease which also causes debilitating skin disease.
New drug for speeding up elimination of river blindness across Africa ... by Asian News International
The worms spread throughout the body, and when they die, they cause intense itching and a strong immune system response that can destroy nearby tissue, such as the eye In a number of countries, onchocerciasis has been controlled through spraying of blackfly breeding sites with insecticide.
Onchocerciasis Causes by rosy / Food/cooking/nutrition community
 
 
 
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