''Tetracanthagyna'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
dragonflies
A dragonfly is a flying insect belonging to the infraorder Anisoptera below the order Odonata. About 3,000 extant species of true dragonfly are known. Most are tropical, with fewer species in temperate regions. Loss of wetland habitat threa ...
in the
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
Aeshnidae
The Aeshnidae, also called aeshnids, hawkers, or darners, is a family of dragonflies. The family includes the largest dragonflies found in North America and Europe
Europe is a large peninsula conventionally considered a continent in its o ...
.
''
T. plagiata'' is the world's largest dragonfly by wingspan and the female ''T. plagiata'' is probably the heaviest living
odonate
Odonata is an order of flying insects that includes the dragonflies and damselflies. Members of the group first appeared during the Triassic, though members of their total group, Odonatoptera, first appeared in Late Carboniferous.
The two common ...
.
The genus contains the following species:
*''
Tetracanthagyna bakeri''
*''
Tetracanthagyna brunnea''
*''
Tetracanthagyna degorsi''
*''
Tetracanthagyna plagiata
The giant hawker (''Tetracanthagyna plagiata'') or the gigantic riverhawker, is a species of dragonfly in the family Aeshnidae. It is found throughout Sundaland, having been recorded on Thailand, Peninsular Malaysia, Singapore, Sumatra, and Born ...
'' – giant hawker
*''
Tetracanthagyna waterhousei'' – giant river hawker
References
Aeshnidae
Anisoptera genera
Taxa named by Edmond de Sélys Longchamps
{{Aeshnidae-stub