''Tetracanthagyna'' is an Asian
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
dragonflies
A dragonfly is a flying insect belonging to the infraorder Anisoptera below the order Odonata. About 3,000 extant species of dragonflies are known. Most are tropical, with fewer species in temperate regions. Loss of wetland habitat threate ...
in the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Aeshnidae
Aeshnidae, also called aeshnids, hawkers, or darners, is a family of dragonflies, found nearly worldwide, with more than 50 genera and over 450 species.
The family includes some of the largest dragonflies.
Description
Common worldwide or nearl ...
.
''
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 predatory flying insects that includes the dragonflies and damselflies (as well as the '' Epiophlebia'' damsel-dragonflies). The two major groups are distinguished with dragonflies (Anisoptera) usually being bulkier with l ...
.
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