Last Updated on Wednesday, 13 April, 2022 06:07:23 PM


INDEX  >  Dragonflies of Borneo  >  Family Gomphidae 



In this family of Gomphidae dragonflies there are 4 Genus are found in Sabah:

1- Genus  Ictinogomphus (1 species)

2- Genus  Macrogomphus (1 species)

3- Genus Phaenandrogomphus (1 species)

4- Genus  Sieboldius (1 species)


The sizes of Gomphidae dragonflies:

1- Ictinogomphus decoratus Male ♂65mm

2- Macrogomphus quadratus Female 76mm

3- Sieboldius japponicus Female 83mm



A female Macrogomphus quadratus



A male Sieboldius japponicus



The 3 families of dragonflies found in Borneo Island:

1 Family of Aeshnidae

2 Family of Gomphidae

3 Family Libellulidae


RELATED  TOPICS


Pseudagrion sp HILLZONE 婆羅洲細蟌
INTRODUCTION TO THE DAMSELFLIES OF SABAH, BORNEO ISLAND


Ichneumon sp BORNEO
Insects of Borneo

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.


Red Dragonfly of Sabah
Red Dragonfly of Sabah

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.


Eyes of a male Brachydiplax chalybea
The compound eyes of dragonflies

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.



Ovipositor (Vulvar Lamina)
of Female Dragonflies and Damselflies

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
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.


FISHERIES
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