Economic importance Earias insulana is a major pest of cotton in the Eastern Mediterranean. Damage is caused by the larvae, which cause. Acontia xanthophila Walker, ; Earias chlorion Rambur; Earias frondosana Walker; Earias gossypii Frauenfeld; Earias insulana syn. The symptoms of attack are similar for all Earias spp. Cotton infestation generally starts with shoot boring in the young crop. Earias insulana enters the terminal.
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Bulletin of Entomological Research, 82 3: There appears to be some confusion concerning the impact of the pest. Archives of Insect Biochemistry and Physiology, 22 Control of spiny bollworm Earias insulana Boisd.
Hirsute varieties Agarwal and Katiyar, and glandless varieties Brader, have been found to be more susceptible. Cotton-pest management in Egypt. Studies on the varietal resistance of okra to jassid and shoot and fruit borer.
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Khaliq A; Yousaf M, Transmission of Xanthomonas malvacearum Smith Dowson, the incitant of bacterial blight of cotton through spotted bollworms.
Zeitschrift fur Angewandte Entomologie, 79 ihsulana Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report. When several references are cited, they may give conflicting information on the status. The importance of Earias species varies considerably and, in some countries, has changed over the years.
It was concluded that the use of natural enemies could be incorporated into an integrated control programme for cotton pests Pawar and Prasad, ; Prasad et al. Gelechiidae and Noctuidae in Pakistan. Effect of climatic factors on flight activity of moths of certain cotton pests.
A cytoplasmic polyhedrosis of Earias insulana Boisduval, a new reovirus infection in noctuid moths of the genus Earias.
Earias insulana – Wikipedia
With severe tunnelling, the top leaves wilt and the whole apex of the plant droops, hampering further growth. Biological Control A number of studies have investigated the potential of various parasitoids against Earias spp.
Secondary branching may occasionally occur. Insect pests of cotton.
Singh J; Sandhu BS, Journal of Research, Punjab Agricultural University, 17 1: The result is bunched growth in young plants and death of the growing point in the mature plant.
Indian Journal of Entomology, 7: If only the apical bud is attacked, the damage may not be noticed until the main stem divides twinning when the axilliary buds take over growth Kashyap and Verma, ; Reed, Effect of row skipping in tree cotton Gossypium arboreum on insluana of chemical control of spotted bollworms Earias vittella and E.
Imsulana of cutting the terminal shoots of cotton plants topping on rate of bollworm infestation, cotton yield and fibre quality. Management of spotted bollworms Earias spp. Other suggested cultural practices include deep ploughing Faseli, and close spacing of plants Abdel Fatah et al.
Nerkar discusses the possibility that resistance might be found in wild earais of okra such as Abelmoschus spp. Economic importance Earias insulana is a major pest of cotton in the Eastern Mediterranean. EU pesticides database www. After depleting the finitial boll, the larvae move to other cotton plants, penetrating new bolls. Entomologie et Phytopathologie Appliquees, No. This page was last edited on 26 Decemberat An outbreak of cotton pests in the Punjab.
The pest occurs around the Mediterranean and in Africa. Peyrelongue J; Bournier JP, Use of entomopathogenic nematodes against foliage pests. Variation of the relative importance of each species and intraspecific morphological variations continued. Pupation takes place in a felt-like cocoon, which is attached to dry leaves of the food plant or to plant debris on the ground.
Proceedings of a national symposium on pesticide residues and environmental pollution, Muzaffarnagar, India, October, Muzaffarnagar, India; Sanatan Dharm College, Effect of agricultural factors on cotton yield and bollworm attack. Gelechiidae and Earias spp. TVIS Newsletter, 1 2: Relationship between spiny bollworm males attracted to pheromone traps and larval infestation in cotton bolls.
Bulletin of Agricultural Research, 2: Coton et Fibres Tropicales, The hindwings are dull white with a brown subterminal insu,ana. Atger also mentions undefined viruses attacking E.
One or more of the features that are needed to show you the maps functionality are not available in the web browser that you are using. This earlas may also be part of the IPM program. Assessment of avoidable loss in cotton Gossypium hirsutum and G. Identification and biological activity of newly isolated heterorhabditid populations from Israel.