Visual Key: Erythromma Males

You have an Erythromma species male, either a Red-eyed Damselfly (Erythromma najas) or a Small Red-eyed Damselfly (Erythromma viridulum).

Here are the distinguishing features.

Red-eyed Damselfly (Erythromma najas) male

Small Red-eyed Damselfly (Erythromma viridulum) male

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