Gynacanthaeschna sikkima (Karsch, 1891)

Sharma, Manoj, Oli, Buddhi Ram & Gautam, Ishan, 2024, Dragonflies and Damselflies (Insecta, Odonata) from the western region of Nepal with new records of four species, Journal of Insect Biodiversity and Systematics 10 (3), pp. 535-546 : 537

Gynacanthaeschna sikkima (Karsch, 1891) (Fig. 5)

Material Examined. 1♂, Karnali province, Achham district, Ramaroshan Lake (29°13'45.80"N, 81°27'58.86”E, 2404 m a.s.l.), 6-x-2022. Coll. M. Sharma.

Field diagnosis (♂). Thorax dark reddish-brown, marked with grass-green narrow antehumeral stripes. First abdominal segment with a large quadrate green spot laterally, segment 2 with a broad interrupted yellow stripe each side. Segments 3–8 with small baso-lateral spots, small paired jugal spots and apical dorsal lunules. Segment 9 with its apical border very narrowly green and a small baso-lateral spot; segment 10 with a large yellow spot on each side. Cerci narrow at base, dark reddish-brown then markedly dilated, about twice the length of segment 10; epiproct two-thirds the length of cerci, narrowly triangular, curled gently upwards at apex.

Distribution. Bhutan, China, India, Nepal, and Pakistan ( Zhang, 2017; Kalkman et al., 2020; Current study).