An inventory of species diversity of insects of the Mukundpur Tiger Reserve, Satna (M.P.). Small insects with soft body were collected by hand with the help of a fine camel hair brush and forceps, and then preserved in 70% alcohol by dipping the soft brush in to the medium. Sweeping nets were used to collect the insect from plants. A long stick was used for beating the plants harboring insects. A big size cloth spread over the ground to collect the falling insects. Total recorded aquatic insect sp. distribution was expressed in higher to lower order as Coleoptera (36), Hemiptera (22), Odonata (11), Diptera (6), Ephereoptera (4), and Trichoptera (2). Aquatic insect Order as per the comparative evaluation Coleoptera was found in utmost count compared through Hemiptera, Odonata, Diptera, Ephemeroptera, and Trichoptera. The order Coleoptera consist (45%), Hemiptera (27.16%), Odonata (13.58%), Diptera (7.40%), Ephereoptera (4.90%), and Trichoptera (2.46%) from observed aquatic insect species. MKPTSR is a well-distinguished place intended for the affluence of coleopteran fauna.