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The giant hawker (Tetracanthagyna plagiata) or the gigantic riverhawker, is a species of dragonfly in the family Aeshnidae. It is found throughout Sundaland, having been recorded on Thailand, Peninsular Malaysia, Singapore, Sumatra, and Borneo. It is the type species for the genus Tetracanthagyna.
A dragonfly is a flying insect belonging to the infraorder Anisoptera below the order Odonata. About 3,000 extant species of dragonflies are known. About 3,000 extant species of dragonflies are known.
A large heavily built dragonfly, [5] the giant petaltail has a black body with some yellow markings. [6] The female's wingspan can be 158–162 mm and body length 125 mm, the largest dragonfly species in overall dimensions although members of the genus Tetracanthagyna can have longer wings and Chlorogomphus papilio a larger wing area.
The green darner is a large dragonfly; males grow to 76 mm (3.0 in) in length with a wingspan up to 80 mm (3.1 in). [9] [10] Females oviposit in aquatic vegetation, eggs laid beneath the water surface. Nymphs (naiads) are aquatic carnivores, feeding on insects, tadpoles, and small fish.
Neurothemis tullia, [2] the pied paddy skimmer, [3] [4] is a species of dragonfly found in south and south-east Asia. It appears in Bangladesh, China, Hong Kong, India, Malaysia (Peninsular Malaysia), Myanmar, Nepal, Sri Lanka, Taiwan, Thailand, Cambodia and Viet Nam.
This is a small dragonfly, with a length of 30 to 35 mm (1.2 to 1.4 in). The wings are mostly clear but have a small patch of yellowish to orange clouding at the base of each hindwing. Mature males are brownish black on the face and thorax and have a red abdomen, while immature males have a yellow thorax and a yellowish brown abdomen.
Sympetrum danae, the black darter or black meadowhawk, is a dragonfly found in northern Europe, Asia, and North America. At about 30 mm (1.2 in) long, it is Britain's smallest resident dragonfly. It is a very active late summer insect typical of heathland and moorland bog pools.
The chasers, darters, skimmers, and perchers and their relatives form the Libellulidae, the largest family of dragonflies. [2] It is sometimes considered to contain the Corduliidae as the subfamily Corduliinae and the Macromiidae as the subfamily Macromiinae.