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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.
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.
Common worldwide or nearly worldwide genera are Aeshna and Anax. Anax includes some of the largest dragonflies, including the North American A. walsinghami, Hawaiian A. strenuus, European A. imperator and A. immaculifrons, and African A. tristis, but these are all exceeded by another member of the family, the Asian Tetracanthagyna plagiata, which by wingspan and weight is the world's largest ...
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.
Pantala flavescens, [3] the globe skimmer, globe wanderer or wandering glider, [1] is a wide-ranging dragonfly of the family Libellulidae. [1] This species and Pantala hymenaea, the "spot-winged glider", are the only members of the genus Pantala.
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It is a big dragonfly with blue eyes, pale green thorax and dark brown abdomen with bright blue-green markings on the sides. It can reach a wingspan of about 11 centimetres (4.3 in) and a body length of about 8 centimetres (3.1 in). Forewings are clear, the inner-half of the hindwings is brown, while the outer-half is clear.
Orthetrum sabina, the slender skimmer [1] or green marsh hawk, [3] is a species of dragonfly in the family Libellulidae. [ 4 ] [ 5 ] It is widespread, being found from south-eastern Europe and North Africa to Japan and south to Australia and Micronesia .