DIVERSITY OF INSECT SPECIES IN TIEN HAI WETLAND NATURAL RESERVE, THAI BINH PROVINCE

Abstract

The study aims to determine the species composition of insects and their appearance in mangrove ecosystems at Tien Hai wetland natural reserve, Thai Binh Provice. The method usued in this study was direct survey species of insects at 4 study locations on 2 field trips in 2019. The results recorded 24 species belonging to 12 families, 9 orders. The order Coleoptera, and Ondonata were the most diversity with 5 species (20.83%); order Blattodea, Hymenoptera, Mantodea had only one species (1.47%). Among the 9 order insects, order Diptera, Ondonata, Lepidoptera were largest with 2 families (16.67%). Order Blattodea, Hemiptera, Coleoptera, Orthoptera, Hymenoptera, Diptera, Mantodea had only one family in each order (8.33%). Fluctuation in component of insects was different between the places of investigation, in total 24 species, 10 species have appeared with high frequency at investigation locations TH4, TH5 and 14 other species occur at low densities at investigation locations TH1 and TH3. Order Coleoptera and Ondonata had the highest number of species; order Blattodea, Hymenoptera, Mantodea had the lowest number of species.