Biodiversity of Dragonflies and Their Life Threatening Factors in Tehsil Chamla and Daggar of District Buner, Khyber Pakhtunkhwa, Pakistan
Pakistan J. Zool., vol. 48(4), pp. 1077-1082, 2016. Biodiversity of Dragonflies and their Life Threatening Factors in Tehsil Chamla and Daggar of District Buner, Khyber Pakhtunkhwa, Pakistan Jehangir Khan,1* Saifullah1 and Ahmed Zia2 1Department of Zoology, Abdul Wali Khan University, Mardan, Buner Campus, Khyber Pakhtunkhwa, Pakistan 2National Insect Museum, Department of Plant and Environmental Protection, National Agriculture Research Centre, Islamabad, Pakistan A B S T R A C T Article Information The study was aimed at determining species composition, relative abundance and habitat preference Received 23 October 2014 of adult dragonflies in relation to increasing aquatic and air pollution in Tehsils Dagger and Revised 23 October 2015 Chamtala of district Buner, Khyber Pakhtunkhwa. For this, surveys were conducted during May to Accepted 14 March 2016 Available online 1 June 2016 October, 2013 and eleven species with seven genera were recorded. Among these, three species (Trithemis festiva, Orthetrum pruinosum neglectum and Trithemis aurora) were found constant, Authors’ Contribution while three (Orthetrum anceps, Sympetrum commixta and Orthetrum triangulare) were observed to JK and AZ conceived and be moderate and two (Onychogomphus bistrigatus and Palpopleura sexmaculata) were found to be designed the project and wrote infrequent in their occurrence. Perennial riverine habitats represented four species, seasonal streams the article. S performed the with inhabiting three species and springs with only two dwelling species. Only one species was experimental work. AZ recorded from crop fields and ponds. For seasonal occurrence, 119 dragonflies were observed in July identified the dragonflies. while seven in October. The aquatic and air pollution from huge number (n=600) of marble factories in Daggar and more use of pesticides in Chamla were observed to affect drastically the dragonfly Key words population in the area.
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