aphid

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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 .

aphid

an insect of the order Hemiptera. They parasitize many plants during the warm seasons. Of interest in animal health are the black aphids, Aphis craccivora, which can exist in very large numbers on burr trefoil, Medicago polymorpha, and may stimulate the production of phytoallexins in the plant which then photosensitize animals grazing the infested pasture.
References in periodicals archive ?
In the current study, the aphids were represented by only two species: Sitobion avenae, which exibited greater abundance (85%) (Hemiptera: Aphididae), and Rhopalosiphum padi (15%) (Hemiptera: Aphididae).
The present studies were conducted with the objective to find out the effect of allelopathic water extracts from sorghum, sunflower, brassica and mulberry on mortality of cabbage aphid which severely damages canola crop in Pakistan.
These findings contrast with studies conducted in temperate regions where cereal aphids and their parasitoids presented positive associations with non-crop habitats (Thies et al.
The result further revealed that the adult longevity was observed on fresh, frozen and dried aphids in the laboratory.
Even both Juniperus phoenicea and Rosmarinus officinalis showed mortalities more than 50 % to aphids, but increasing the concentration of Juniperus phoenicea from 1000 ppm to 100,000 ppm resulted in valuable increase in mortality of aphids (Fig.
balteatus and selected species of aphids were chosen on the basis of their abundance in sampled data.
The aphids have been collected with yellow vessel traps on three day intervals.
Commonly referred to as plant lice or greenflies, aphids are a taxon of small, soft bodied insects belonging to the order Hemiptera, suborder Sternorrhyncha, superfamily Aphidoidea and family Aphididae (Blackman and Eastop, 2012).
If you wish to spray aphids, just use a liquid made up of soft soap and warm water.