Sunday, February 22, 2015

15. Aciagrion Pallidum (Selys, 1891)

15. Aciagrion Pallidum (Selys, 1891)

Number: 15
Family: Coenagrionidae
Genus: Aciagrion
Species: Aciagrion pallidum (Selys, 1891)
Common name: N/A 
Habitat: Stream associated forest patches 
Distribution: Sylhet
Abundance: Not very common
Flight Season: December- January (by me)

Aciagrion pallidum is the first Aciagrion species sighted by me from Bangladesh. 


The spetacular male has azure blue thorax with brown antehumeral stripe. The wings are clear, legs whitish. Abdominal segments 1-2 are laterally, segments 3-7 are black with basal azure blue ring, segemnts 8-10 are blue. 


The females are very shy and difficult to catch, they often perched in the shaded region of the forest. This female I captured from the tilagor eco park of Sylhet. The females can be distinguished by their anal appendages. Thorax is bluish with dark brown antehumeral stripe, abdominal segments 1-7 are laterally gray and dorsally black, Segments 8-10 are grey.

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