Tetrathemis irregularis

Family: Libellulidae
Genus: Tetrathemis
Tetrathemis irregularis
inhabits in rainforest streams
Found in China, Indonesia, Malaysia, Peninsular Malaysia, Thailand

Tetrathemis irregularis inhabits rainforest streams
♂26mm
2016-10-16 BANDAR SRI INDAH's protected forest reserve

The vibrant and attractive colors of the eyes of a dragonfly
Tetrathemis irregularis have relatively very large compound eyes among dragonflies.
An compound eye of a dragonfly cover most part of the head and each containing up to 30,000 facets

Tetrathemis irregularis It is common and widespread in lowland swamp forest and sluggish forest streams, particularly in more disturbed areas. Males guard tiny pools and remain perched on station for most of the day.

It is a common local inhabitant of peat swamp and alluvial forest, hovering over tiny ponds in shafts of sunlight penetrating the canopy.

This one is a male.
This lonely males is guarding beside a mountain running stream for most of the day. As a male has responsibility to guide his territory, he has to stand on top position to keep en eye on intruder.
He share his water territory with Neurothemis fluctuans and damselflies Agriocnemis femina oryzae and Rhinocypha humeralis

The 3 families of dragonflies found in Borneo Island:

1 Family of Aeshnidae

Insects are diverse and dominant inhabitants of the tropical rainforests in Borneo Island. New species are discovered too often. Entomologists are still struggling to cope with the documentation of tropical insect diversity.

Most of the common dragonflies in Sabah are red coloured, especially from the family Libellulidae. Some red pecies are even confused as same species, for example the three species of Genus Neurothemis.

Dragonflies and damselflies have large compound eyes that can see in all directions. When the compound eye is magnified several hundred times, each individual facet (ommatidium) is shown to be hexagonal in shape.

Female dragonflies have either one of the two method of depositing eggs from the abdomen:
1- using Ovipositor Structure
2- using Vulvar Lamina

Male do not have an ovipositor. Instead male dragonfly and damselfly have appendages.

GO FURTHER

FLORA

Fig trees of Sabah

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

FISHERIES

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.