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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Biologicheski i Zhurnal Armenii, The life span of a parthenogenic female is about twenty days in which time it can produce up to 85 nymphs. Bulletin of Entomological Research, 93 1: Effect of planting date on the production and the ocurrence of pests on cotton Gossypium hirsutum.
When several references are cited, they may give conflicting information on the status. Virus disease of cotton and its control.
Applied Entomology and Zoology, 29 2: Chinese Journal of Entomology, 7: Adults flew from about sunrise to early afternoon, but a few individuals continued to fly after dark. Annals of the Entomological Society of America, Alate Production There are two forces proposed as triggers for alate production in A. Parthenogenesis on these hosts allows large populations of aphids to build up quickly. Another study reported that development time was shortest on cotton, longest on melons, with development rate on watermelons lying somewhere between Ghovanlou, Studies on the salivary physiology of plant bugs: Zoologicheskii Zhurnal, 60 6: Elsevier Science Publishers, Indirect damage Honeydew Losses due to honeydew, excreted by feeding A.
Aphids flew from one to several about 5 times each day, with the first flight always longer than the others.
Aphis gossypii – Wikipedia
Hama H; Hosoda A, Insect infestation and yield of cotton as affected by nitrogen fertilization. Observations on the presence of some aphid species in tobacco areas of Campania and Veneto.
Screening for resistance in cotton genotypes to Aphis gossypii Glover, the cotton aphid. In Chad, all cotton varieties were found to be susceptible to cotton blue disease, except one with a small degree of tolerance.
Influence of temperature and daylength on population development of Aphis gossypii on Cucurbita pepo. Alates that flew longer had a shorter reproductive period and produced fewer total progeny Nozato, b.
Aphids Hemiptera, Aphididae on ornamental plants in greenhouses in Bulgaria. Aphids reared on melons or cucumbers showed elevated aliesterase levels relative to aphids from aubergines or potatoes Saito, Adults range from just under In another Indian study, yield losses in cotton due to sucking pests were between The mechanism for this effect is not known, but contributing factors include the removal of beneficial organisms predators and parasitesstimulation of aphid reproduction, and changes in plant physiology due to the application of the chemical.
The influence of intercropping with Allium on some insect populations in potato Solanum tuberosum. Aphids parasitized by Aphidius colemani had a fecundity of 0.
Differences in susceptibility of six cucumber cultivars to infestation by Aphis gossypii Glov. However, damage done in the field can cause post-harvest problems. Resistance to insect pest damage in four cotton varieties in Ludhiana.
Madras Agricultural Journal, 60 7: Journal of Insect Physiology, 35 Rajpal Singh; Joshi AK, Japanese Journal of Applied Entomology and Zoology, 31 2: Predators include midgeslacewingssyrphid fly larvae, anthocorid bugs and ladybirds ladybeetles.
Revista Brasileira de Entomologia, 54 1: Evaluation of environments for seed potato production in the highland of Bonghwa.
Sub-lethal effects of certain insecticides on the cotton aphid Aphis gossypii G Homoptera: Entomologia Experimentalis et Applicata, 67 2: The oviposition site of the egg of Aphis gossypii Glover. Insect Science and its Application, 10 6: In a few cases, chemical treatments have resulted in more damage than would have occurred without the treatment.
In the southern half of the US, as far north as Arkansas, sexual reproduction of the cotton aphid is not important.
Females continue to produce offspring without mating so long as the weather is favourable for feeding and growth.