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.
References in periodicals archive ?
Citrus blackfly, Aleurocanthys woglumi Ashby (Homoptera, Aleyrodidae).
It was observed in the sampling dates that the values vary from 0.08 to 0.78 in the MPS (Table 1) and from 0.43 to 0.75 in the APS (Table 2), indicating a maximum variation of 78% in the blackfly survey, considering both systems.
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).
The joy of hitting the natural balance is that although you may see a couple of blackfly or greenfly colonies on your nasturtiums, you can also watch hoverfly larvae devour the greenfly on your roses, or delight in your kids counting the spots on the ladybirds and see the light catching the delicate green wings of the lacewings.
In Brazil, the citrus blackfly was first detected in the Northern region, specifically in the state of Para (greater metropolitan area of Belem and neighboring municipalities) in 2001 (OLIVEIRA et al., 2001).
Insecticides based on natural materials include pyrethrum (Py Garden Insect Killer, Doff All In One Bug Spray, Gem Stop Bugs, Westland Bug Killer, Nature's Answer Natural Pest Control), rotenone (Bio Liquid Derris Plus), fatty acids (Bayer Organic Pest Control, Doff Greenfly and Blackfly Killer, Fito Get Off Insect), plant and fish oils (Vitax Organic 2 in 1 Pest and Disease Control), plant extracts (Growing Success Fruit & Veg Bug Killer, Growing Success Shrub and Flower Bug Killer) and mineral lattice (SB Plant Invigorator).
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.
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.
Do the same with blackfly on broad beans and aphids if you find them anywhere.
A ADRIENNE SAYS: They are aphid eggs (greenfly or blackfly), which will hatch in spring and feed on the plant sap.