Diversity of Odonata and their habitat preference was studied in a landscape between Kaziranga National Park and Karbi Hills of Assam. During study period we recorded total 82 species of odonates from 51 genera and 10 families out of which, dragonfly (Anisoptera) represented by 43 species and damselfly (Zygoptera) represented by 39 species. Family Libellulidae was the most dominant family with 36 species among the Anisopterans than after family Coenagrionidae with 20 species among Zygopterans. Among the six selected habitats,stream and river sites hold highest species (45) and lowest species found in human habitations (21). Among the recorded species Orthetrum pruinosum, Orthetrum sabina and Pantala flavescens were found to be occupied in all types of habitats.Sørensen’s Similarity index of all the six habitats for odonates species composition during study periods had maximum values CL-WP (0.77) and lowest value FA-GL (0.26). A checklist of odonates for central Assam has also been forwarded.
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Published by: National Cave Research and Protection Organization, India
<Environmental Science+Zoology+Geology+Cave Science>AMBIENT SCIENCE