蜻蜓生物群落马来群岛热带河生物多样性
摘要：Adult dragonfly communities were dominated by Libellulidae as 29 species were successfully collected from this family in marginal areas of Saleh, Setul and Serdang rivers. Zygopterans Coenagrionidae, Platycnemididae, Calopterygidae were common while Gomphidae and Chlorocyphidae were rather rare. Libellulids Neurothemis fluctuans, Trithemis aurora, Crocothemis servilia, T. festiva and Orthetrum chrysis were widely distributed in shaded, muddy areas. Among the zygopterans, Pseudagrion pruinosumwas the most dominant species. Agriocnemis femina, Ictinogomphus rapax, Cratilla lineata, Lathrecista asiatica, Neurothemis tullia, Tholymis tillarga and Copera ciliata were strictly found at Saleh River implicating their preference for smaller, slow moving and polluted river with floating microphytes and few other surrounding plant species. Neurobasis chinensis and Vestalis gracilis were only found in open, undisturbed, fast flowing waters of Setul and Serdang rivers. Generally the adults perched on marginal vegetation as well as those on the river bank areas.
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