Thursday, March 12, 2015

22. Potamarcha congener (Rambur, 1842)

Potamarcha congener (Rambur, 1842)

Number: 22
Family: Libellulidae
Genus: Potamarcha    
Species: Potamarcha congener (Rambur, 1842)
Common name: Yellow-tailed ashy skimmer 
Habitat: Lakes, ponds, rivers, forest patches
Distribution: All over Bangladesh
Abundance: Common 
Flight season: February - November

Potamarcha congener is one the most common dragonfly of Bangladesh, found all over the country. Often seen perching on the reeds of the ponds, jungles and even in the villages. 

The male   

The adult males are black yellow in color. Th thorax and the abdominal segments 11-4 are blue, pruinosed. abdominal segments 5-9 has lateral blue stripe, legs and anal appendages are black 

The male has yellow stripe on the dorsal side of the abdominal segments 1-9. 


The females are like juvenile male, however they can be distinguished by the swollen segment 9 and anal appendages. 

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