On three evenings of extremely hot days in July of 2018 and 2019 large groups of high-flying Spotted Darter (Sympetrum depressiusculum) were encountered in the Woldlakebos in the northwest of Overijssel. These swarms were not migrating but stationary. They were foraging on little insects that under these weather conditions were able to fly high.
A lot of fresh Vagrant emperor (Anax ephippiger)
Emerging Vagrant emperor (Anax ephippiger) in the NL The Vagrant emperor (Anax ephippiger) is a relative newcomer and was first seen in the Netherlands in 1995. In recent years they reproduce more often in southern Europe in summer and since then they have appeared in the Netherlands. Anax ephippiger were seen in almost all of […]