The following article is from The Great Soviet Encyclopedia (1979). About Wikipedia; Disclaimers; Search. April 16, 2018 Today, the world uses more cotton than any other fiber, and cotton is a leading cash crop in India at the farm level alone, the production of each year’s crop involves the purchase of more than 3.3 billion worth of … The head is pale green and the membranous wings transparent and iridescent. A leafhopper is the common name for any species from the family Cicadellidae. Canon 20D + Sigma 150mm f/2.8. Leafhoppers can transmit plant pathogens, such as viruses, phytoplasmas[3] and bacteria. Leafhopper. Cotton is attacked by several hundred species of insects, including such harmful species as the boll weevil, pink bollworm, cotton leafworm, cotton fleahopper, cotton aphid, rapid plant bug, conchuela, southern green stinkbug, spider mites (red spiders), grasshoppers, thrips, and tarnished plant bugs. Leafhoppers have piercing-sucking mouthparts, enabling them to feed on plant sap. It is yellowish-green, with a conspicuous black spot on either side of the head and another near the tip of the fore wing. Jassid population started since the vegetative stage and continued till harvesting stage of the crop and was noticed for the first time during 32nd SW and continued up to 41stSW till the harvest of the crop. observations on the population of cotton jassid during the trials were kept on being taken continuously throughout the test season. Neem oil can be used as a biopesticide. When … [6], On cotton, it has been found that growing a cultivar with hairs on the undersides of the leaves reduces infestation, and that long hairs are better at deterring the insect from laying than are short hairs; this seems to be due to the hairs preventing the insect from getting close enough to the leaf surface to deposit its eggs. Members of the tribe Proconiini of the subfamily Cicadellinae are commonly known as sharpshooters. It sucks the cell sap and results in loss of vigor. Discolored lint and burrowed seeds. 1953, Cotton jassid in the Punjab / by Muhammad Afzal and M.A. We're part of Translated, so if you ever need professional translation services, then go checkout our main site, Usage Frequency: 1, Soil moisture data have been analysed to know its depletion pattern below, Even in resistant varieties of cotton , jassid attack leads . Find books various observations on the population of cotton jassid during the trials were kept on being taken continuously throughout the test season. Yadav, J.B., R.S. Hemiptera (bugs, leafhoppers, cicadas, aphids, scale insects, etc.) The adult cotton jassid is a long and slender insect about 2.6 mm (0.1 in) in length. Adults are small, like the tip of a lentil, and flat. [5][6][7], Within the latter, the three traditional superfamilies – Cercopoidea (froghoppers and spittlebugs), Cicadoidea (cicadas) and Membracoidea – appear to be monophyletic. They belong to a lineage traditionally treated as infraorder Cicadomorpha in the suborder Auchenorrhyncha, but as the latter taxon is probably not monophyletic, many modern authors prefer to abolish the Auchenorrhyncha and elevate the cicadomorphs to a suborder Clypeorrhyncha. Total lifespan is about one month, with females living a little longer than males. causes leaf burning, drying and shedding in young plants and arrest the plant growth. It might be outdated or ideologically biased. A leaf hopper not only feeds on cotton but on a wide range of other host plants. Jacobiascalybica (Bergevin & Zanon 1922) also noun by the common name Cotton Jassid, in profile it look like an orthoptera, is an endopterygota, also known as holometabola, class insecta, on order of Hemiptera, family of Cicadellidae and subfamily of Typhlocybinae[29], [30], which includes according to [27]small sized insects. [4], In the now-obsolete classification that was used throughout much of the 20th century, the leafhoppers were part of the Homoptera, a paraphyletic assemblage uniting the basal lineages of Hemiptera and ranked as suborder. 1 Description; 2 Life cycle; 3 Ecology; 4 Damage; 5 Control; 6 References; Description. Amrasca biguttula, commonly known as the cotton jassid,is a subspecies of leafhopperbelonging to the subfamily Typhlocybinaeof family Cicadellidae. There a lot of research is carried out on the Physico-morphic characters and their effect on the sucking insect pests of non Bt-varieties but on the Bt-varieties there is no such type of research is carried out up till now. Spatial Field Survey of Cotton Whitefly and its Pupal Parasitism in Relation to Temperature and Humidity in Southern Pakistan. Woodward. [Wikipedia]. 1981. Amrasca devastans Chlorita biguttula Shiraki, 1913 Chlorita bigutulla Husain & Lal, 1940 Chlorita bimaculata Matsumura, 1917 Empoasca biguttula Empoasca bipunctata Schumacher, 1915 Empoasca devastans Distant, 1918 Empoasca devastans Lefroy, 1906 Empoasca devastens Cherian & Kylasam, 1938 Empoasca nigropunctata Merino, 1936 TH~ cotton Jassid (Empoasca devastans Dist.) Amrasca biguttula, commonly known as the cotton jassid,[2] is a subspecies of leafhopper belonging to the subfamily Typhlocybinae of family Cicadellidae. For piercing and sucking, enabling them to feed on plant sap minute,. 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