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Termite species composition in the central rift valley of Ethiopia

机译:埃塞俄比亚中部裂谷的白蚁种类组成

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In Ethiopia, particularly in the Central Rift Valley (CRV) where high density of epigeal termite mounds is found, little systematic studies were done to know the termite fauna. Hence, the current study was conducted in three districts of East Shawa Zone of Oromia Regional State to know termite species composition in the CRV of Ethiopia from August to November 2013. Termites were sampled from different land-use types: protected lands, rangelands, and farmlands using the standardized belt transect and maize stalk baiting. Termites were also collected randomly from different places and habitats. The collected samples belonged to seven genera: Macrotermes, Odontotermes, Microtermes, Amitermes, Microcerotermes, Angulitermes, and Trinervitermes. Angulitermes and Trinervitermes were very rare and recorded only from protected lands. Protected lands housed all genera of the collected termites. Microcerotermes were the most abundant in protected lands, Macrotermes in rangelands, and Microtermes in farmlands. The results showed that land-use type determine termite abundance and diversity. The baiting method captured all genera of the collected termites, while, the standardized belt transect method and random collection methods captured 43% and 71% of the termite genera, respectively and this indicated that maize stalk baiting was highly suitable for sampling wood-based food feeders. The result of this survey study can form a baseline for designing a national termite species inventory.
机译:在埃塞俄比亚,特别是在中央裂谷(CRV),那里发现了高密度的ge白蚁丘,很少进行系统的研究来了解白蚁动物区系。因此,当前的研究是在奥罗米亚州州东沙瓦地区的三个地区进行的,目的是了解2013年8月至11月埃塞俄比亚CRV中的白蚁物种组成。农田采用标准化的带状样带和玉米秸秆诱饵。白蚁还从不同的地方和栖息地随机收集。收集到的样品属于七个属:大白蚁,大白蚁,微白蚁,阿米特姆,微白蚁,Angulitermes和Trinervitermes。 Angulitermes和Trinervitermes非常罕见,仅在受保护的土地上记录。受保护的土地容纳了所有收集的白蚁属。在保护地中,微量白蚁最多,牧场中的大白蚁最多,而农田中的微型白蚁最多。结果表明,土地利用类型决定了白蚁的丰度和多样性。诱饵法捕获了所收集白蚁的所有属,而标准化的带状样带法和随机收集法分别捕获了白蚁属的43%和71%,这表明玉米秸秆诱饵非常适合对木质食品进行采样馈线。这项调查研究的结果可以为设计国家白蚁物种清单提供基准。

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