Description
General: Common by still waters in most of Europe. Easily recognized by its large size, brown body and the black wing spots for which it is named. Tot 40-48mm, Ab 27-32mm, Hw 32-40mm. Males heave a powerful, aggressive flight and frequently perch on stakes overlooking the water. Habitat: Most still waters, preferably with well developed vegetation, and can be very numerous on acidic lakes. Flight Season: From late April to mid September, but most abundant in early summer. Distribution: Widespread and abundant in much of range, across temperate Eurasia and North America. In the past was known to have massive migrations. This is a common Species in the described Habitats in the Netherlands.
