Background. The cotton-melon aphid, Aphis gossypii Glover (Hemiptera: Aphididae), is a polyphagous species with a worldwide distribution. Lucid key to Important Aphids. DownloadAphis gossypii taxonomia pdf. If I do I will need one of these. So please let me know what to do from here. Printing files across the.

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Applied Entomology and Zoology, 17 1: Cotton fields treated with sulprophos had elevated numbers of A.

However, even though there is no direct damage to these structures, a general decline in plant health taxknomia affect the proper development of these tissues. Light intensity and day length are also important in the reproductive capacity of A.

AphID – Aphis gossypii

In cotton, an unusual approach was to top the plants after boll opening. Wan SY; Wan M, Impact of trichome density on the infestation of Aphis gossypii Glover and incidence of virus disease in ashgourd [Benincasa hispida Thunb. The undersides of young leaves are preferred, but the entire plant may be covered when populations are large.

Second-instar nymphs with developing wings appear to have shoulders, third-instar nymphs have small wing pads, and the developing wings are prominent on fourth-instar nymphs Ebert and Cartwright, Functional and numerical responses of Propylea dissecta Col. Greater trichome density resulted in fewer aphids and less virus disease in ashgourd, Benincasa hispida Khan et al.


The body appears dull because it is dusted with wax secretions. Effect of host plants on the susceptibility of Aphis gossypii Glover to certain insecticides.

The predators of A. Differences in trichome density and differences in toxins were not measured. Preliminary experiments on the potential of hoverflies Dipt.: On the majority of crops it attacks, the ability of A. The distribution in this summary table is based on all the information available. Forms and morphs of aphids. For this reason, the role of salivary gland enzymes in detoxification has been examined as a possible defence.

A novel approach to pest management has been the idea of eliciting natural defences in plants using mechanical wounding, infection, or sprays of elicitors. Blue disease of cotton in Chad.

Aphis gossypii

For two clones this resistance was shown to be specific to pirimicarb Silver et al. Journal of Insect Physiology, Indian Journal of Agricultural Sciences, 51 9: Sivaprakasam K; Balasubramanian G, Ecological Entomology, 30 3: Older colonies produced fewer alates that taxknomia for 1 day and more that flew for 2 days.


Heavy infestations can result in wilting. Annals of Plant Protection Sciences, 9 2: Insect infestation and yield of cotton as affected by nitrogen fertilization.

There have been several biotype designations used for A. Pest or symptoms not visible to the naked eye but usually visible under light microscope. A comparative study of the transmission of Hyoscyamus gossypio 3, potato virus Y, and cucumber virus 1 by the yaxonomia Myzus persicae SulzM circumflexus Bucktonand Macrosiphum gei koch. Journal of Applied Entomology, 2: This experiment was repeated as part of the control for another experiment.

Aphis gossypii (cotton aphid)

Effects of cotton genotype on seasonal abundance of cotton aphid Homoptera: This represents a difference between two strains of A. Ecological Entomology, 18 4: Applied Entomology and Zoology, 29 2: Acta Gossypii Sinica, 10 4: A list of pest-insects feeding on the Kenaf in Kagoshima City with seasonal abundance of some major pest-insects.

Insecticide resistance in clones of the cotton aphid, Aphis gossypii Glover Homoptera: Hama H; Hosoda A,