Brachydiplax sobrina (Rambur, 1842)
Number: 20
Number: 20
Family: Libellulidae
Genus: Brachydiplax
Species: Bracydiplax sobrina (Rambur, 1842)
Common name: Little Blue Marsh Hawk
Habitat: Lakes, Ponds, Forest patches
Distribution: Sylhet, Chittagong, Dhaka
Abundance: Common
Flight Season: February - December
As the male become mature, it starts to change its color, particularly the color of abdominal segments 3-6 starts to transform into whitish. Segments 7-9 has lateral yellow spots anal appendages black.
As male become more mature the segments 3-6 turn into bluish and the 7-10 turn into black.
The male
The juvenile male is yellow and black in color. The male is dorsally black with yellow lateral spots.
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| Dorsal view of Brachydiplax sobrina young male |
As the male become mature, it starts to change its color, particularly the color of abdominal segments 3-6 starts to transform into whitish. Segments 7-9 has lateral yellow spots anal appendages black.
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| Lateral view of Brachydiplax sobrina, immature male |
The fully mature male is black and white in color. The thorax is pruinosed, abdominal segments 1-6 are white, 7-10 are black in color.
Brachydiplax species is confusing B. sobrina is often confused with B. farinosa. B. sobrina can be identified by counting the presence of 7 antenodal veins which is 8 or more in B. farinosa.
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