Thursday, April 23, 2015

32. Orthetrum triangulare (Selys, 1878)

Orthetrum triangulare (Selys, 1878)

Number: 32
Family: Libellulidae
Genus: Orthetrum 
Species: Orthetrum triangulare (Selys, 1878)
Common name: N/A 
Habitat: Streams, forest patches
Distribution: Sylhet
Abundance: Rare
Flight season: March-April

Orthetrum triangulare is one of the six Orthetrum species found in Bangladesh.


The male is black and white species. The thorax is black, abdominal segments 1-7 are bluish, segments 8-10 are black.


The female are yellow in color, broad black antehumeral stripe present and abdominal 8-10 are black  which are the signature of the species.

I have sighted the species from the forest patches of the north eastern forest of Bangladesh. 

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