Caption
Just three hours after they hatch from the water and moult into mature adults, the male Long-tailed / Tisza mayfly (Palingenia longicauda) perish. Adult mayflies have no mouth opening and no guts. The dead animals slowly float downstream, sometimes congregating into flower-like clusters. River Tizsa, Hungary, Central Europe. June
Availability
Only inBelgium, Canada, France, Luxembourg, Switzerland