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 .
References in periodicals archive ?
Due to the limitations of the season and the study site, the aphid counting software needs to design a memory storage module to achieve the same number of yellow sticky insect boards to make trend prediction function.
In Lodhran, officials witnessed three hot spots of white fly, Aphid (2), Thrips (2), and armyworm (4) while two hot spots of Aphid were reported from Bahawalpur.
In Bahawalnagar, six hot spots of white fly, Aphid (5), Thrips (4), and armyworm (2).
The aphid mortality caused by allelopathic water extracts was presented in the form of bar graphs fitted with vertical standard error bars.
In the present study, crop edges near forest fragments did not support higher aphid abundance and parasitoidism rates than interior.
In this experiment akk aphid, Aphis nerii was used as natural diets into three forms i.e.
The extracted oil of both Rosmarinus officinalis (55.50) and Juniperus phoenicea (57.50) resulted in a mortality above 50 % of the aphid after 48 hr of treatment but none of them was as toxic as Actara insecticide did (90.00).
The order of cultivar resistance against aphid population and leaf infestation during the whole crop duration was BARD 699 Less than BARD 92 Less than Golden Less than BARI 2000 Less than BARD 479.
Profenophos, chlorpyriphos and cypermethrin significantly reduced the aphid consumption to 50% of coccinellids in all treatments (Fig.
The Pearson correlation revealed strong negative correlation of aphidophagous hoverflies with humidity and wind speed - 0.900 (P=0.038) and -0.835 (P = 0.078) respectively, while these hover flies had strong positive correlation with aphid colonies of Myzus persicae 0.975 (P=0.005).