The Study of Dragonfly (Odonata) Diversity as Bioindicator of Water Quality in Science Techno Park Spring-Beleknehe Village

Dragonflies are bioindicator insects for the quality of aquatic environment, especially springs. This study aims to determine types dragonflies that live in Science Techno Park (STP) spring, Beleknehe village, Nekemese sub-district, Kupang District. STP is owned by Widya Mandiri Catholic University. research was conducted September 2022. Data collection consisted dragonfly samples and abiotic factors. Dragonfly were obtained using insect nets hand sorting, while factor measurements included physical (TDS, DHL) chemical (hardness, iron, sulfate, Mn, NO3, NO2) parameters. The results revealed there four namely Neurothemis stigmatizans, Coenagrion lunulatum, Megalagrion sp., Orthetrum pruinosum. found showed spring still good condition.