''Adversaeschna'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

genus of large

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

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 ...

. '' Adversaeschna brevistyla'' is the only known species of this genus which is found in Australia, New Zealand, Norfolk Island and some Pacific Islands.

Species

The genus ''Adversaeschna'' includes only one species: *'' Adversaeschna brevistyla''

Etymology

The word ''Adversaeschna'' is a combination of two Latin words: ''adversus'', meaning opposite in physical position; and ''aeschna'', derived from the genus '' Aeshna'' named by Danish entomologist Johan Fabricius in 1775. ''Adversaeschna brevistyla'' was described by Tony Watson in 1992 as being taxonomically isolated from other dragonflies in the genus ''Aeshna''.

References

{{Taxonbar, from=Q2677563 Aeshnidae Anisoptera genera Monotypic Odonata genera Odonata of Oceania Taxa named by J.A.L. (Tony) Watson Insects described in 1992