Megalagrion koelense (lat.) - a species of dragonflies from the family Coenagrionidae , an endemic to the Hawaiian Islands , described by Australian black entomologist Thomas Blackburn in 1884 [1] [2] . A phylogenetically close species is Megalagrion kauaiense [3] .
| Megalagrion koelense |
| Scientific classification |
|---|
| No rank : | Bilateral symmetric |
| Infraclass : | Ancient winged insects |
| Subfamily : | Pseudagrioninae |
| View: | Megalagrion koelense |
|
| International Scientific Name |
|---|
Megalagrion koelense (Blackburn, 1884 ) |
| Security status |
|---|
Least concernIUCN 3.1 Least Concern : 159123 |
|
Content
The whole body is black. The length of the abdomen is 35 mm. The hind wings are 22 m long and have a wingspan of 50 mm. There are three cells [1] [4] between the quadrangle and the knot on the wings. Ovipositor of a female with large serrated ridges. Larvae are greenish or pale brown with dark stripes on the sides of the abdomen. The length of the larva, including gill filaments, is up to 12.5 mm. The gills are thick and short. On the lateral lobes, usually five setae each [5] .
In the mountains on the islands of Maui and Oahu, it is found at altitudes of 900 m above sea level [5] .
Larvae develop in phytotelmatata , reservoirs formed by leaves of Feycinetia arborea , feed on insects and other small invertebrates [5] [6] . Males do not show territorial behavior and do not protect the territory, unlike some other species of the genus Megalagrion [7] . It is included in the IUCN Red List of Threatened Species with LC status ( Least Concern Species ) [8] .
