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blackfly

British  
/ ˈblækˌflaɪ /

noun

  1. Also called: bean aphid.  a black aphid, Aphis fabae , that infests beans, sugar beet, and other plants

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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.

From Salon • Jun. 3, 2016

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.

From US News • Jun. 3, 2016

Aphids - such as greenfly and blackfly - damage plants by sucking nutrients from their sap, and can also introduce plant viruses.

From BBC • Jun. 25, 2015

"They just put a line of insecticide in the river, and it kills all the blackfly larvae," he says.

From The Verge • Feb. 25, 2015

It was only nine miles over easy terrain, but the blackfly made it a torment.

From "A Walk in the Woods" by Bill Bryson

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