Damselflies and dragonflies can reveal important clues about the health of our ponds, rivers and wetlands. Healthy wetlands support wildlife, retain water and help protect against drought and wildfires. As climate pressures grow, protecting these habitats is more urgent than ever.
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Damselflies are insects in the sub-order Zygoptera (meaning “paired-wings”). 

Characteristics of Damselflies

Body: Delicate and small.

Wings: Forewings and hind wings are the same shape.

Eyes: Separated on the head.

Behaviour: Weak flight. Usually rests with wings held against the body.

Azure Damselfly image by Christophe Brochard

Male

Accessory genitalia: Used for transferring sperm to the female during copulation. Located under segment 2 of the abdomen.

Anal appendages: Often prominent at the very end of the abdomen.

Male Emerald Damselfly image by Jörg Hempel

 

Male Emerald Damselfly image by Alastair Rae

Female

Ovipositor: Appendage used for egg laying. Located under segment 8-9 of the abdomen.

Anal appendages: Not prominent.

Female Willow Emerald Damselfly image by Ouwesok, flickr

Female Emerald Damselfly image by Gail Hampshire

Age

In many species of Damselflies adults change colour as they mature.

Tenerals: Newly emerged adults are often paler in colouration with milky coloured wings.

Mature adults: In many Damselflies species, females change colour as they become sexually mature.

Teneral Male Blue-tailed Damselfly by Gail Hampshire

Immature Female Blue-tailed Damselfly (violacea form) by Nutmeg66 flickr

Mature Male Blue-tailed Damselfly by Stavros Markopoulos

Mature Female Blue-tailed Damselfly (infuscans form) by Gail Hampshire

Nationally Important Species

 

Endangered:         Dainty Damselfly       Northern Damselfly      Scarce Emerald Damselfly       Southern Damselfly               

 

Near Threatened:      Small Red Damselfly    

 

Title image: Large Red Damselfly by Rob, flickr