| 单词 | blackfly |
| 例句 | Cows grazed, stinking of sweet dung and addled by summer blackflies. Snow Falling on Cedars: A Novel 1994-09-12T00:00:00Z Apparently the blackflies, sand flies, and tsetse flies have not yet become resistant to chemicals. Silent Spring 1962-09-27T00:00:00Z The smaller species, such as midges and blackflies, become re-established rather quickly. Silent Spring 1962-09-27T00:00:00Z While the DDT had killed off all stream insects the year before, the smallest of the insects — the midges and blackflies — had returned in numbers. Silent Spring 1962-09-27T00:00:00Z It was summer now, so the woods were a new and different place, alive with green and filled with birdsong and swarming mosquitoes and pesky blackfly. A Walk in the Woods 1997-11-01T00:00:00Z It was only nine miles over easy terrain, but the blackfly made it a torment. A Walk in the Woods 1997-11-01T00:00:00Z He had, I noticed, a haze of blackflies of his own. A Walk in the Woods 1997-11-01T00:00:00Z The 13th annual Adamant Blackfly Festival on Saturday includes a combination parade and fashion show, music and blackfly pie contest in which entries are judged on their taste and blackfly homage. Village hosts festival to celebrate the nuisance blackflies 2016-06-03T04:00:00Z Festival organizers say about 40 species of blackflies exist in Vermont, with only four or five that bite humans. Village hosts festival to celebrate the nuisance blackflies 2016-06-03T04:00:00Z Most mosquito species, along with a host of other arthropods – including ticks, fleas, bedbugs, blackflies, horseflies and biting midges – require the protein in blood to develop a batch of eggs. Why some people are mosquito magnets, and some are unbothered 2022-09-11T04:00:00Z Yet another, known as river blindness, occurs when the larvae of parasitic worms, transmitted by the bite of blackflies, migrate into the eye and cause blindness. Guinea worm, river blindness and elephantiasis are among the world's neglected tropical diseases. A battle is on to wipe them out 2017-12-14T05:00:00Z The disease is caused by the parasite Onchocerca volvulus, which is spread by blackflies, and often leads to irreversible blindness. Trump immigration ban upends international work on disease 2017-01-31T05:00:00Z The festival includes a combination parade and fashion show, with music and a blackfly pie contest where entries are judged on their taste and blackfly homage. Village hosts festival to celebrate the nuisance blackflies 2016-06-03T04:00:00Z Aphids - such as greenfly and blackfly - damage plants by sucking nutrients from their sap, and can also introduce plant viruses. UK GM wheat 'does not repel pests' - BBC News 2015-06-25T04:00:00Z The second leading cause of infectious blindness in the world is river blindness, or onchocerciasis, caused by a parasitic worm transmitted through bites from blackflies that live and breed near fast-flowing rivers. The Smartphone In Your Pocket Could Help Treat River Blindness For Millions 2015-05-07T04:00:00Z "They just put a line of insecticide in the river, and it kills all the blackfly larvae," he says. Bill Gates on The Verge: Can we eradicate some of the world's worst diseases by 2030? 2015-02-25T05:00:00Z The wheat in the Rothamsted trial is genetically modified to produce a scent undetectable to the human nose that will deter wheat pests such as greenfly and blackfly aphids. GM crop-trial website taken down by cyber-attack 2012-05-28T11:21:00Z River blindness is caused by the parasetic worm Onchocerca volvulus which is spread by the bite of an infected Simulium blackfly. Global health round up: 1 - 15 October 2011-10-21T00:45:00.330Z It's an infection caused by a parasitical worm which is spread by the bites of blackflies which breed in fast-flowing water. Health benefits 2011-06-11T18:51:51Z It was coming up on the cusp of July and August, and he remembered boyhood summers on the mountain’s slopes abuzz with blackflies and syrupy heat. Someone Comes to Town, Someone Leaves Town In other words, the blackflies are a lot easier to handle in Uganda than in many other countries where the vectors breed in large rivers. Bill Gates on The Verge: Can we eradicate some of the world's worst diseases by 2030? 2015-02-25T05:00:00Z But all it lacks in variety of kinds it more than makes up in number of individuals, especially in the detestable trio of bot-flies, blackflies and mosquitoes. Animal Sanctuaries in Labrador An Address Presented by Lt.-Colonel William Wood, F.R.S.C. before the Second Annual Meeting of the Commission of Conservation at Quebec, January, 1911 I was tired and hungry, my face disfigured and blistered by the unremitting attentions of the blackflies that rose in swarms from the river. Roughing It in the Bush "They have a vector that breeds only in the small streams," Unnasch says of the blackflies that transmit river blindness. Bill Gates on The Verge: Can we eradicate some of the world's worst diseases by 2030? 2015-02-25T05:00:00Z The blackfly and mosquito attack both man and beast in maddening millions. Animal Sanctuaries in Labrador An Address Presented by Lt.-Colonel William Wood, F.R.S.C. before the Second Annual Meeting of the Commission of Conservation at Quebec, January, 1911 But that isn’t the only reason Uganda has done so well: the country’s geography, combined with the peculiarities of the blackfly species that carries the parasites there also contributed. Bill Gates on The Verge: Can we eradicate some of the world's worst diseases by 2030? 2015-02-25T05:00:00Z |
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