noun
definition
Sapsucking pest insect of the superfamily Aphidoidea; an aphidian.
Examples of aphid in a Sentence
You may need to use row covers to keep beetles from laying eggs on squash plants, for example, or use an insecticidal soap to remove aphid infestations.
Aphid infestations can be sprayed off with a strong blast of water from the hose.
Attract and protect aphid predators such as ladybugs, lacewings, assassin bugs, praying mantis, adult wasps, spiders and chickadees.
By controlling ants you may also find that the aphid problem is reduced.
A natural fungus that grows on and kills Russian wheat aphid is winding its way toward commercial application.
Aphids were also a problem in early salad crops especially black bean, peach potato and lettuce currant aphid.
It is difficult to get lacewings to reproduce in the area applied so repeat applications maybe required if fresh greenfly or aphid populations appear.
This is partly because of the presence of Cornish hedges and hedge bottoms which provide a habitat for natural aphid predators such as ladybirds.
Thus, in the event of climate warming we would expect all three species to make considerably earlier appearance, particularly the peach-potato aphid.
Fieldwork is carried out at Radnor Forest in Wales, where Forestry Commission research into the green spruce aphid is already established.
The sticky honeydew excreted by the aphid makes hedge trimming a messy task.
Adults are often attracted by the presence of aphid honeydew.
Until now, BYDV control has involved breaking the " green bridge " and reducing aphid populations in autumn with well-timed insecticide sprays.
Every year, in the first really hot spell, the black bean aphid starts its regular invasion of the broad bean plants.
The number of larvae needed to treat an aphid infestation will vary on the number of aphid infestation will vary on the number of aphids present.
So give him to someone else who's having aphid problems.
An American Aphid of the genus Pemphigus produces black, ragged, leathery and cut-shaped excrescences on the young branches of the hickory.