Dragonflies and damselflies (Insecta: Odonata) of the northeastern region of Bangladesh with five new additions to the Odonata fauna of Bangladesh

Odonata were surveyed in one reserve forest, two national parks, one Eco Park, one lake and one University campus in the northeastern region of Bangladesh from March 2014 to March 2015. A total of 64 species of Anisoptera and Zygoptera belonging to 41 genera under seven families were recorded. Among them 45 species and 19 genera were new records for the study area. Two species of Anisoptera, i.e., Anax indicus Lieftinck, 1942 and Gynacantha khasiaca MacLachlan, 1896, and three species of Zygoptera i.e., Matrona nigripectus Selys, 1879, Agriocnemis kalinga Nair & Subramanian, 2014, and Prodasineura laidlawii Forster, 1907 were recorded for the first time from Bangladesh.