Saturday 5 July 2008

Copera vittata

Species Name: Copera vittata
Family: Platycnemidae

A common species in shaded places in the lowland – often seen in swampy forest as well as well shaded farms and plantations. The males are almost black in colour with bright greenish yellow variegated markings on synthorax and red-orange legs. Females are paler in colour and have lighter thoracic markings.

Some immatures, especially females, have very pale ivory white bodies and are known as “ghost” forms.

Photos (top): A pair in tandem.
(below): Male.
(bottom): An immature "ghost" form.

Brachydiplax chalybea

Species Name:
Brachydiplax chalybea

Family: Libellulidae
Brachydiplax chalybea is a moderate sized dragonfly commonly found in unshaded body of water, such as ponds, stagnant or slow flowing streams and drains. The males are a powder-blue in colour with hindwings that are tinted brown at the base and are often seen perched by the water and every now and then flying out to challenge any intruder that wanders into their small territory.

The females which are brownish in colour are less often seen and only appears at the water to mate and oviposite in the afternoon. This is a widespread species in tropical Asia.
Topmost photo: Male perching in "obelisk" stance. Below: Another male on guard over his territory.

Bottom photo: Female