golden-ringed dragonfly
cordulegaster boltonii latin

It is also an important home for the golden-ringed dragonfly, which flies from mid-June to early September.

"Golden-ringed dragonfly"

Occasionally the golden-ringed dragonfly (Cordulegaster boltoni) and Beautiful Demoiselle (Calopteryx virgo), a type of damselfly, can be seen by streams in the Harz.

The Golden-ringed Dragonfly, Cordulegaster boltonii, is a large, striking dragonfly and the longest British species, the only one of its genus to be found in the United Kingdom.