Genus Lyriothemis 寬腹蜻屬

Last Updated on Saturday, 02 September, 2023 10:52:12 AM

INDEX > Dragonflies of Borneo > Family Libellulidae > Genus Lyriothemis 寬腹蜻屬

Genus Lyriothemis
寬腹蜻屬

There are two species in our image collection:

Lyriothemis biappendiculata Male Lyriothemis biappendiculata is a forest species found in forest swampy area.	Lyriothemis cleis Male
Male 33mm Hind wing span = 58mm	Male 40mm Hind wing span = 70mm
	Hindwing may measure up to 36 mm.
The face of Lyriothemis biappendiculata has metallic blue frons and dark clypeus.	The face of Lyriothemis cleis has metallic blue frons and milky white clypeus.
Lyriothemis biappendiculata is easily identify by the broad flattened bright red abdomen.	The abdomen of Lyriothemis cleis is dull red (pinky red) in colour with well-defined segments.
Segment 2 of male Lyriothemis biappendiculata. The secondary genitalia on segment 2 has a pair of projecting straight prongs.	Segment 2 of male Lyriothemis cleis. The secondary genitalia on segment 2 is ventrally protruding about 1.5 mm and square in shape..
Segment 8,9,10 of male Lyriothemis biappendiculata	Segment 8,9,10 of male Lyriothemis cleis

The 3 families of dragonflies found in Borneo Island:

1 Family of Aeshnidae

2 Family of Gomphid

3 Family Libellulidae

CHART OF DRAGONFLIES OF 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

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.

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

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.

Damselflies of Borneo