Community structure of odonata naiads of a fish farming pond in costal area of West Bengal, India

Abstract

Community structure of Odonata larvae was investigated in a fish farming pond at Tamluk located in the coastal belt of West Bengal, India. In total 12 species under 3 families and 2 suborder were recorded during study period. Suborders Anisoptera was the most dominant (76.16%) group. Family Gomphidae had the lowest abundance (1.93%) and Family libellulidae had highest abundance (76.66%). All the species were not found throughout the year. Some species such as Pantala flavescens (Fabricius, 1798) of family Libellulidae was found only in rainy months thus behaving as species associated with rains. Species diversity, dominance index, equitability index and evenness indices during study period, suggest a moderately stressed and disturbed environment.