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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Gajendran G; Chelliah S; Balasubramanian, Journal of Taiwan Agricultural Research55 2: Economic Threshold Levels Despite the lack of quantitative data on exact yield reductions caused by A. Life stage is another factor affecting the susceptibility of A.
Parthenogenesis on these hosts allows large populations of aphids to build up quickly. Annals of Plant Protection Sciences, 9 2: All of these predators reduced aphid populations, though none were as effective as C. The body appears dull because it is dusted with wax secretions.
Effects of chemical control of the cotton aphid during the early season on cotton plants, natural enemies and yield. The host list in this Compendium is a list of crops where A.
AphID – Aphis gossypii
Determination of instar of Aphis gossypii Glover Homoptera, Aphididae. As populations continue to rise, aphjs move to younger leaves, stems and flowers sepals mostly. Studies on the training needs of extension workers on thresholds in cotton IPM in Zambia. Of 13 million acres harvested, around 10 million acres were classified as infested with aphids, resulting in losses of overbales Head, The cotton aphid, Aphis gossypii Glover and predators on Catalpa bignonioides Walt.
Agriculture Canada Technical Bulletin, E. Cotton insect pests population in rainfed tasonomia.
Aphididaeand discovery of male morphs in the Texas high plains. Smith and Parron have compiled a comprehensive list. Annals of Agricultural Science, Moshtohor, 32 4: Environmental Entomology, 23 5: The cauda usually have hairs and are paler than the cornicles.
Abdelrahman AA; Munir B, A cryptic species of Aphis gossypii Hemiptera: However, research to date has not conclusively identified the relative importance of nutrition versus crowding in alate formation in A.
Honeydew can also act as an attractant to other crop pests, and insects such as bees, wasps and ants, that may provide protection for the aphids from their natural enemies Slosser et al.
Coton et Fibres Tropicales, 31 2: Insect infestation and yield of cotton as affected by nitrogen fertilization. Atlas of plant viruses.
The effect of different oils on the inhibition of transmission of pumpkin mosaic virus by aphids. Assessment of damage by Aphis gossypii Glover, Homoptera: The causes for resistance were examined extensively in muskmelons and cucumbers Ebert and Cartwright, Japanese Journal of Applied Entomology and Zoology, 31 2: Southwestern Entomologist, 22 1: Alate aphids survey on vegetable crops in Lavras MG.
It is cosmopolitan in habitat.
Resistance has also been documented in okra Uthamasamy et al. Journal of Economic Entomology, 95 2: Life history of Aphis gossypii on cucumber: Entomologia Experimentalis et Applicata, 57 3: Social Impact Top of page A.