Genus Camacinia
Camacinia gigantea is the largest of the Libellulidae (hw, 45-47 mm) and unmistakable by virtue of its extensive opaque brownish-red areas on the basal part of the wings. It is a splendid insect, at first suggestive of a very large Neurothemis. The coloration is fainter in teneral individuals and females. It is a widespread lowland species, in Borneo rarely encountered on lakes and in lagoons on the landward side of mangroves.
C. harterti is quite differently marked with mainly hyaline wings tinted orange-yellow at the base and a distinctive, narrow, dark-coloured bar at the wing base along its axis. It occurs from the lowlands to 600 m and is generally considered to be rare.