aphid

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Aphidclick for a larger image
Fig. 41 Aphid . Winged female.

aphid

any member of the family Aphididae, order Hemiptera, commonly called green fly. Aphids feed on plant juices by using piercing and sucking mouthparts and are of considerable economic importance because they can act as vectors of plant viruses. See Fig. 41 .
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Greenfly is a fundamentally new way for organizations and their advocates to collaborate.
Slugs, cats, greenfly and foxes are the scourge of the British gardener, according to a new survey.
Some 56 per cent of people interviewed claim to be plagued by slugs, while 48 per cent found cats a nuisance, 47 per cent had problems with greenfly and 21 per cent were bothered by foxes.
Why is there a greenfly plague - and why a ladybird plague could be next A plague of greenflies has descended on Huddersfield.
Treat early infestations of aphids, like greenfly, with a soap-based spray ?
Effort Watch out for greenfly on roses, perennials and greenhouse plants.
Keep a lookout for a late attack of greenfly on plums.
A I expect that this is the work of a woolly aphid - a kind of greenfly. The 'wool' you can see is a protective covering on the greenfly.
SQUIB: 1 Greenfly (J Stead), 2 Thistle (E Davies), 3 Polly Garter (D Hall) all Royal Anglesey.