Perched on a twig while light making a moving bokeh with the stream, Euphaea masoni male Damselfly, Kaeng Krachan National Park, Thailand

insects insecta entomology entomologist zoology damselfly dragonfly zygoptera calopterygidae arthropoda hemimetabolous ovipositor thorax abdomen predatory insect forest jungle freshwater habitat water stream animals wildlife nature natural world unesco world heritage metamorphosis natural habitat rainforest predatory euphaea rock khao yai national park damselflies chlorocyphidae wings black sunlight twig leaves thailand euphaea masoni male odonata euphaeidae kaeng krachan perch