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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Cladus: Odonatoptera
Cladus: Holodonata
Ordo: Odonata
Subordo: Epiprocta
Infraordo: Anisoptera
Superfamilia: Libelluloidea

Familia: Corduliidae
Subfamilia: Corduliinae
Genus: Williamsonia
Species: W. fletcheri – W. lintneri

Williamsonia Davis, 1913

Williamsonia fletcheri 56575688

Ebony Boghaunter (Williamsonia fletcheri), Parc régional des Appalaches, Saint-Just-de-Bretenières, Montmagny, QC, Canada


Williamsonia is a genus of small dragonflies in the family Corduliidae. They are commonly known as boghaunters. Unlike other genera of emerald dragonflies, they have dark eyes and nonmetallic bodies.[1]

The genus consists of only two living species:[2]

Williamsonia fletcheri Williamson, 1923 – ebony boghaunter[1][3]
Williamsonia lintneri (Hagen in Selys, 1878) – ringed boghaunter[3]


Paulson, Dennis R. (2009). Dragonflies and Damselflies of the West. Princeton University Press. ISBN 0-691-12281-4.
Martin Schorr; Dennis Paulson. "World Odonata List". University of Puget Sound. Retrieved 12 Oct 2018.
"North American Odonata". University of Puget Sound. 2009. Retrieved 5 August 2010.

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