English: Matured nymph dragonfly species Epitheca bimaculata crawl from the reservoir to the plant stems . Larval development takes place in various types of standing water , especially small and overgrown with floating hydrophytes , but usually deep . It tends to occur in forest landscapes . Dragonflies different fast and beautiful flight. Lives dragonfly just 2 weeks . The female lays eggs in water in the form of a long cord , which she produces during the flight with the low end of the abdomen touching the water surface. The larvae are near the bottom .