|Boninthemis is a genus of dragonfly
in family Libellulidae. It contains only one species, Boninthemis insularis
Boninthemis insularis (Matsumura,
1913) is endemic to Japan. This dragonfly is an endemic species of
Ogasawara (Bonin) Islands. In Japan, this dragonfly (Boninthemis insularis)
is known as "Shimaakane". The Japanese government offically designated
this species a national landmark on March 12, 1969.
This species is accessed by IUCN
red list as Critically Endangered.