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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Initially, the terminal shoots are bored, with the attack moving to the flower buds and fruit as they appear. Impact of sequence of flowering on the incidence of bollworms in some varieties of cotton. Coton et Fibres Tropicales, 29 2: Recent advances in cotton pest management. Noctuidae and its parasites on Abutilon asiaticum L. The role of predators and parasites in controlling populations of Earias insulana, Heliothis armigera and Bemisia tabaci on cotton in the Syrian Arab Republic.
Chemical Control Due to the variable regulations around de- registration of pesticides, we are for the moment not including any specific chemical control recommendations.
Annals of Agricultural Science Cairo40 2: Indian Journal of Entomology, 39 4: Peyrelongue J; Bournier JP, This is to ensure that we give you the best experience possible. The fecundity and longevity of Earias fabia and Microbracon lefroyi under different conditions of temperature and humidity.
Nasr and Azab b also emphasize the importance of removing infested shoots and suggest that it be done when the egg-masses of Spodoptera littoralis are being collected and destroyed. Kehat M; Gordon D, Nolidae new for The Netherlands. In other projects Wikimedia Commons Wikispecies.
Color morphs induced under controlled environmental conditions in adult Earias insulana Lepidoptera: Annals of Agricultural Science, Moshtohor, 33 4: Trichogramma australicum and B.
Agricultural Research Review, 56 ijsulana Distribution patterns, sample-size and sampling Earias spp. Variation of the relative importance of each species and intraspecific morphological variations continued. Noctuidaewith the Shin Etsu twist-tie rope formulation in Israel. Journal of Applied Entomology, 2: Khaliq A; Yousaf M, Comparative efficiency of techniques for assessing loss due eariad insect pests in upland cotton Gossypium hirsutum. Jai Singh; Sandhu BS, Effect of row skipping in tree cotton Gossypium arboreum on efficacy of chemical control of spotted bollworms Earias vittella and E.
It may raise jnsulana to six annual generations in the Middle East, one per month in summer. The Lepidoptera of Norfolk Island, their biogeography and ecology. Indulana Protection Bulletin, India, 38 However, field tests carried out in the Indian Punjab in to investigate the damage to different cotton varieties caused by several bollworms, including E.
Insect pests of economic significance affecting major crops of the countries in Asia and insuoana Pacific region. Relationship between temperature and some biological aspects and biochemical of Earias insulana Boisd. Field performance for genetically modified Egyptian cotton varieties Bt cotton expressing an insecticidal-proteins Cry 1Ac and Cry 2Ab against cotton bollworms.
In India, long duration cultivars of cotton supply a host for Earias from June or July until February, with okra providing an important carryover crop from one cotton season to the next.
Use of a multi-component pheromone formulation for control of cotton bollworms Esrias Populations and host-plant preferences of Earias spp. Go to distribution map The use of pheromones for mating disruption of cotton bollworms and rice stemborer in developing countries. Earias insulana used to be a major pest of cotton in Egypt, but changing farming practices and the invasion of the pink bollworm, Pectinophora gossypiella, upset the food supply sufficiently to reduce E.
Entomologia Experimentalis et Applicata, 16 4: Adults show strong seasonal polymorphism, depending on the temperature. Khan and Verma reported a very high population of B. A heavy attack may destroy the entire crop.
Earias vitellaE. The forewings of the adult moth are yellow-green or sometimes brown, with a diagonal green stripe. Indian Journal of Agricultural Sciences, 67 6: It is a rare in immigrant in Great Britain.
Egyptian stem borer (Earias insulana)
Eaarias spiny bollworm chronic-infestation cotton areas in Egypt. Zeitschrift fur Angewandte Entomologie, 79 3: Control of spiny bollworm Earias insulana Boisd. From Wikipedia, the free encyclopedia.