Cordulegaster boltonii – Purokorento – gewone bronlibel

cordulegaster_boltonii-1

One of the largest species in the area. Typical species of rivers like Liesjoki. To my surprice I found 1 excuvia in lake Liesjärvi in 2019. Larval excuvia have spectacular teeth!


Figure 1. Distribution map exuviae C. boltonii.