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Keywords from Image Description:
British dragonflies Plate XXIII . Plate XXIII Pyrrhosonm nymphula Pyrrhosonm tenelluin Plate XXIII Illustration biodiversitylibrary org title Lucas William John NameFound Pyrrhosonm nymphula NameConfirmed Pyrrhosoma mymphula NameBankID NameFound Pyrrhosonm tenelluin NameConfirmed Pyrrhosoma tenellum Biodiversity Heritage