They are similar in the size of D.
basitincta, the body robust built and more colourful. Males of the species
are deep black with dark orange marking on the thorax and the abdomen. The
wings are narrow and long, their colour is amber hyaline and make the wings are
brighten in sunlight. The wings usually are folded at rest; particularly they
are sometime open as perching above the water. The females are less colourful
than the males with their wings are more hyaline.
Their habitats are similar to those of D. bastitincta but D. gloriosa
is much more widespread in the country. They have been found at streams or
rivers in open secondary forests or lowland areas. They do not live far from
their breeding habitats and usually perch on vegetations around streams.
Male, photo taken by Cuong Do, Hoa Binh
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