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Golden-ringed Dragonfly

(Scientific Name: Cordulegaster boltonii)



Female Cordulegaster boltonii by Dennis Gurner.
Female Cordulegaster boltonii by Dennis Gurner.
Male Cordulegaster boltonii by David Kitching
Male Cordulegaster boltonii by David Kitching.
Female Cordulegaster boltonii by Guy Freeman
Female Cordulegaster boltonii by Guy Freeman.
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Species Information:


Length: Male (74mm), Female (84mm)
Flight Period: May to September (occasionally in October)

A striking, black insect with yellow rings along the length of the abdomen. The female is the UKs longest dragonfly because of her long ovipositor. The bright green eyes meet only at a point on the top of the head.

Male: has a waisted appearance around S2-3 and a slight club shape to the abdomen.
Female: more parallel sided and has a very long ovipositor.



Habitat:


Breeds in acidic rivers and streams of all sizes. May be found away from its breeding habitat over heathland.



Status & Distribution:


Common. A riverine species of southern England, Wales, Lake District and western Scotland.



Similar Species:


The only other UK species with black and yellow colouration is the Common Club-tail but the Golden-ringed is much larger.
Female Gomphus vulgatissimus by David Kitching

Gomphus vulgatissimus

Common Club-tail