Saturday, April 4, 2020

Coenagrionidae Aciagrion

Family Coenagrionidae

Aciagrion approximans approximans
(Selys 1876)
Elevation 80-800m
Abdomen Length 22-24mm

Another species from the Beeshajar Ramsar site and at Dipang Taal in Pokhara. Several wetland areas beside the road are accessible from the main track. The wetland was just beside a canal near one of the larger lakes. This is an attractive purplish-blue damselfly. Besides being found in Nepal, it is seen in parts of India.
Male


Aciagrion olympicum
Laidlaw, 1919
Elevation 1500m
Abdomen Length 32-34mm
It was seen in the Godavari wetland for a couple of months in 2014 and again in 2019. It is only recorded in Nepal, NE India, and Bhutan. The male is similar to the female but has blue on segments 8 to 10. The female body was not fully colored then but the blue markings on segments 8,9 and 10 were clear, and the thorax was tan and brown with brown-black markings on the surface of the abdomen. Later in July, the color is deeper seen from mid-April until July.
Female

Aciagrion pallidum
Selys, 1891
Elevation 800 to 1500m
Abdomen Length 31mm
The Pale Slender Dartlet has a ground-colored body that makes it hard to spot. The thorax has pale blue stripes and is very attractive up close. In Bees Hajar, it was next to a partially dried wetland. Also, it has been recorded at Lamjung, Bardia, and Syangja. It is usually found after the monsoon and through October. It is a regional species found in India, Bhutan, and Thailand.
Male
Female

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