Green-blue Threadtail
Nososticta coelestina · Order: Odonata · Family: Platycnemididae
The Green-blue Threadtail is a medium-sized damselfly about 35 to 40 mm long, with a wingspan roughly the same as its body length. Males have a black thorax marked with bright green-blue, while females are pale brown; the dark abdomen shows narrow pale bands and the wings have a yellowish tint. It lives near rivers and streams in northern and eastern Australia, from the top of the Northern Territory down to central Queensland.
Source: Wikipedia
How to recognize it
Males show a black thorax with vivid green-blue markings; females are pale brown. The abdomen is dark with narrow pale bands between segments, and the wings are tinted yellow or lemon.
Source: Wikipedia
Size
Adults are medium-sized damselflies, 35 to 40 mm long, with a wingspan similar to their body length.
Source: Wikipedia
Where it lives
They are typically found near rivers and streams.
Source: Wikipedia
More photos

Same family (Platycnemididae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Nososticta_coelestina
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.





