CORDULIIDAE - Emerald Dragonflies
Members in this family are medium to large size, which generally have metallic green, black or yellow body. They have emerald eyes when matured, but often brown in immature stage. When perched, they hang suspended vertically.
- Australian Emerald
- Hemicordulia australiae, Subfamily Corduliinae, body length 50mm
- We took the first picture in our backyard at a mid summer when the dragonfly rest on the plants. It has no response to my approach and close look at it. It just stay motionless for a whole night. It disappeared the next day morning. Its body is yellow in colour with black pattern. More information please click here.
- T-mark Emerald
- Hemicordulia tau, Subfamily Corduliinae, body length 50mm
- The dragonfly's body is yellow in colour with black pattern. They look very similar to another Emerald species Australian Emerald. They can usually be found in the same place. Because both of them never rest, it is difficult to distinguish between them. The second picture shows the close look of the dragonfly's face. Notice that when look at its face from its front, the is the inverse black 'T' mark on its 'nose'. This is why they are call T-Mark Emerald. More information please click here.
- Clubbed Emerald, Fat-bellied Emerald
- Hemicordulia continentalis, Subfamily Corduliinae, body length 40mm, female and male
- The Clubbed Emerald Dragonflies are medium in size, body length about 40mm. When we took those pictures, we through they were Australian Emerald, another Emerald dragonfly species which is common in Brisbane. Clubbed Emeralds can be distinguished from other Emerald dragonfly species by the male's strongly club-shaped abdomen. More information and pictures please click here.
