aphid

(redirected from Aphids)
Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia.
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 .
References in periodicals archive ?
In current study, firstly we evaluated the intraguild predation (IGP) in the presence and absence of extraguild prey (aphids) among C.
We have observed that this rabi cash crop is severally attacked by many pest specially green aphids, which cause severe destruction, thus reducing yield (Fig.
But insecticides should be avoided as they often kill beneficial insects - including those which eat aphids.
Aphids not only distort and stunt young growth and cause secondary problems such as sooty mould - they can also be a disease carrier as they move from one plant to another.
In order to improve the accuracy of aphid identification and counting, the yellow stickyboard must be corrected to the same size and the same position when a target image has been segmented; getting the elevation view, the aphids can be counted accurately.
Application of insecticides is one way to control cabbage aphid in canola (Amer et al., 2010; Lashkari et al., 2007).
In total were recorded 8,392 aphids, compound by two species Sitobion avenae (Fabricius, 1794) (85%) followed by Rhopalosiphum padi (Linnaeus, 1758) (15%) (Hemiptera: Aphididae).
Aphids were collected from respective host plants with the help of suction pump brought in the laboratory and placed into freezer at temperature 0C in plastic container (20A-8 cm) for 24 hrs.
Keywords: Episyrphus balteatus; Development; Predation; Aphids; Cropland.