Last Updated on Sunday, 03 April, 2022 11:05:12 AM

INDEX  >  Damselflies of Borneo  >  Family Coenagrionidae 細蟌科  >  Genus Agriocnemis  >  Agriocnemis femina oryzae 白粉細蟌

A female Agriocnemis femina oryzae feeds on  a fly

This tinny Agriocnemis femina oryzae are often being eaten by other bigger species of damselflies,
Agriocnemis femina oryzae inturn feeds on something smaller.

02:51 PM 03:11 PM

From 2:51 to 3:11, in 20 minutes  this Agriocnemis femina oryzae swallowed an insect as big as her thorax. She bit the hard part of the insect body to break and soften it, she squeezes the abdomen for 'Juice'......see photo detail below:

A female Agriocnemis femina oryzae feeds

02:51 PM

The insect's 3 pairs of legs looks like a cockroach, but it is a fly not a cockroach. The wings are gone most probably bitten off first before eating.

02:53 PM

One leg is complexly chew away and swollen.

02:55 PM

Damselflies  uses  1st pair front legs to lift up the dead insect while the remaining two pairs of  legs used to stabilize the body.

 Notice that her 1st pair of  front feet are not attaches to the body (thorax) but attached directly to her neck...

02:55 PM

The white tooth is Mandibles, a pair of toothed jaws for cutting and chewing.
Lower part of the mouth is a snake' tongue shape LABIUM. Labium is a pair of plates fused together to form the lower lip.

Labrum = the upper lip of the insect mouth.
Mandibles = a pair of toothed jaws for cutting and chewing.
maxillas = a pair of accessory jaws inside the mouth normally not being seen outside.
A pair of sensory organ maxillary palp is attached to maxillas.
Labium, is a pair of plates, fused together to form the lower lip of the mouth with a pair of labial palp attached

Out of the global 10 families of damselflies, the following 6 families  are found in Borneo Island :

01- Family Calopterygidae 色蟌科
02- Family Chlorocyphidae 鼻蟌科
03- Family Coenagrionidae 細蟌科
04- Family Euphaeidae 溪蟌科
05- Family Lestidae 絲蟌科
06- Family Protoneuridae 原蟌科


A Guide to Common Spiders in BORNEO ISLAND

HEAD of Damselflies

Damselfly head include :
1- compound eyes,
2- ocelli,
3- antennae,
4- mouth structures

Common dragonflies in Borneo Island
Dragonflies of Borneo

"With 275 named species so far recorded in Borneo, the island has one of the richest and most exciting dragonfly faunas in the world. More than 40% of species occur nowhere else, making it the most distinctive sub-region of Sundaland." A Guide to the Dragonflies of Borneo by Albert G. Orr


Ficus subgelderi 淡金榕
Fig trees of Sabah

Borneo has 150 species of wild fig trees. Most of them are found in forests of Sabah.

Tiger Prawn Farms in Tawau
Tiger Prawn Farms in Tawau

Prawn farming is a main commercial activities in Tawau. Spawners from Tawau are graded the best in Malaysia. For decades, Tawau has been exporting high-grade tiger prawns to several countries such as Korea, Japan, Taiwan, China, Vietnam, Singapore, Egypt and Australia.

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Damselflies of Borneo