The Important of Microhabitat Structure for the Successful Settlement of Brachydiplax chalybea flavovittata Ris, 1911 (Insecta: Odonata) Larvae

The present study aims to classify the habitat preferences and the trophic stage of larvae of Brachydiplax chalybea flavovittata distributed in four of the 17 wetlands we studied in South Korea’s Yeongsan River basin. Communities of invertebrates play an important role in the life of wetland freshwater ecosystems. Habitat heterogeneity promotes high invertebrate density and diversity in freshwater habitats, and it leads to the introduction and settlement of non-native organisms. Larval density ranged across four types of microhabitats: Myriophyllum aquaticum, Paspalum distichum, and Zizania latifolia dominated open water areas and microhabitats. Microhabitats under the dominance of M. Aquaticum, led by those dominated by P. distichum, had the highest larval density. The larvae were more abundant than in plant debris or sand in silt sediments. The study of stable isotopes revealed that B. The chalybea flavovittata is likely to eat other species of Odonata larvae as a food source. We conclude that B has resolved successfully. It is possible to attribute chalybea flavovittata to their habitat preferences. The chance of B. as the temperature rises due to climate change. The distribution of chalybea flavovittata is growing in South Korea. The B settlement. Therefore, chalybea flavovittata is an instance of a continuous settlement pattern in the Yeongsan River basin. Since the average summer and winter temperatures are rising gradually, it is highly likely that B. In South Korea, chalybea flavovittata is very widely distributed. It is therefore recommended that the distribution and ecological effects of B continue to be controlled. Flavovittato chalybea.

Author(s) Details

Jong-Yun Choi
National Institute of Ecology, Seo-Cheon Gun, Chungcheongnam Province 325-813, South Korea.

Seong-Ki Kim
National Institute of Ecology, Seo-Cheon Gun, Chungcheongnam Province 325-813, South Korea.

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