Critically Endangered
Megalagrion oceanicum
Megalagrion oceanicum
Megalagrion oceanicum is a damselfly in the family Coenagrionidae that is endemic to the island of Oʻahu in Hawaii.
The damselfly
Dragonflies and damselflies are aerial predators as adults and aquatic predators as nymphs. Both stages need unpolluted water.
An insect has six legs and, in winged forms, one or two pairs of wings. Most named species in this catalog are known from a type series and a locality, not from a popular field guide.
Range and habitat
Megalagrion oceanicum is a damselfly in the family Coenagrionidae that is endemic to the island of Oʻahu in Hawaii. It inhabits rivers in the Waiʻanae and Koʻolau ranges. It is threatened by habitat loss.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
Life history
Life history follows the order: complete metamorphosis in moths and beetles, nymphs in grasshoppers and bugs. This page does not invent a host plant that no source named.
In crisis
Megalagrion oceanicum is Critically Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.
Sources
Written for this catalog from the English Wikipedia article on Megalagrion oceanicum — often a short stub, Wikidata item Q1307694. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.
