Diversity of Insect Pest and Predator Species in Monsoon and Summer Rice Fields of Taungoo Environs, Myanmar

S. Oo, Khin Myat Hmwe, Nyothiri Aung, Aye Aye Su, K. K. Soe, Tin Lay Mon, Khin Mar Lwin, M. Thu, Thin Thin Soe, Myat Lwin Htwe
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引用次数: 6

Abstract

Paddy fields are natural and artificial wetland ecosystems that supply rice for the people and provide the wildlife especially insect diversity of different functional aspects. A total of 71 insect species belonging to 40 families under eight orders were observed during the study period. Among the 71 insect species, 18 species of beetles, nine species of bugs, eight species of dragonfly, five species of butterflies, four species of leafhoppers, plant hoppers and moths, three borer and spiders, two crickets, one species of skippers, grass hopper, hispa, ant, weevil, hairy caterpillar, leaf roller, katydid, thrips, maggot and water boatmen were recorded in the study sites. Total of 41 species of pests, 18 species of predators and 12 species of beneficial species (they function as pollinating the flowering plants in the paddy field wetland ecosystem) were recorded in the study sites. In the monsoon season, the 41 species of pest species, 18 species of predator species and 12 species of beneficial species were recorded from monsoon rice field. According to Shannon Evenness value (H'/S = -0.012564), the data showed that the insect species recorded from the one habitat was not the similar to another. In summer paddy fields, 36 species of pest species, 16 species of predator species and 9 species of beneficial species were recorded. Total arthropod insect species were recorded 61 species from the dry rice fields. According to Shannon Evenness value (H'/S = -0.000120), the data showed that the insect species recorded from the one habitat was not the similar to another. Population growth and duration of life cycle of insects is mainly dominated by the temperature, the duration of life cycle is shorter in the high temperature than in the low temperature.
缅甸通戈地区季风和夏季稻田害虫和捕食者物种的多样性
稻田是为人类提供水稻的天然和人工湿地生态系统,为野生动物特别是昆虫提供不同功能方面的多样性。在研究期间,共观察到8目40科71种昆虫。在71种昆虫中,研究地点记录了18种甲虫、9种昆虫、8种蜻蜓、5种蝴蝶、4种叶蝉、植物蝉和蛾、3种蛀虫和蜘蛛、2种蟋蟀、1种跳鼠、草蜢、石斑蝶、蚂蚁、象甲、毛毛虫、卷叶虫、katydid、蓟马、蛆和水船夫。研究地点共记录了41种害虫、18种捕食者和12种有益物种(它们在稻田湿地生态系统中为开花植物授粉)。在季风季节,季风稻田记录了41种害虫、18种捕食者和12种有益物种。根据Shannon Eveness值(H’/S=-0.012564),数据表明,一个栖息地记录的昆虫种类与另一个栖息地不相似。夏稻田害虫36种,捕食者16种,有益种9种。旱地节肢动物昆虫共有61种。根据Shannon Eveness值(H’/S=-0.0000120),数据显示,一个栖息地记录的昆虫物种与另一个栖息地不相似。昆虫种群的生长和生命周期的持续时间主要受温度的影响,高温下的生命周期持续时间短于低温。
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