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Petaluridae
The petaltails of the family Petaluridae are apparently the most ancient of the extant true dragonfly, dragonflies (infraorder Anisoptera), having fossil members from as early as the Jurassic (over 150 million years ago). Modern petalurids include only 11 species, one of which, the Australian ''Petalura ingentissima'', is the largest of living dragonflies, having a wingspan of up to 160 mm and a body length of over 100 mm. Other Australian species include ''Petalura gigantea'' (commonly known as the giant dragonfly). In the United States, two species are found, one on either coast. The larvae live primarily in stream banks, mostly in burrows, but the larvae of the eastern US species, ''Tachopteryx thoreyi'', the gray petaltail, live in depressions under wet leaves. The semiaquatic habitat of the larvae makes the petaltails unique in the modern dragonfly families. Notes References *Silsby, Jill. 2001. ''Dragonflies of the World''. Smithsonian Institution Press, Was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dragonfly
A dragonfly is a flying insect belonging to the infraorder Anisoptera below the order Odonata. About 3,000 extant species of true dragonfly are known. Most are tropical, with fewer species in temperate regions. Loss of wetland habitat threatens dragonfly populations around the world. Adult dragonflies are characterized by a pair of large, multifaceted compound eyes, two pairs of strong, transparent wings, sometimes with coloured patches, and an elongated body. Many dragonflies have brilliant iridescent or metallic colours produced by structural colouration, making them conspicuous in flight. An adult dragonfly's compound eyes have nearly 24,000 ommatidia each. Dragonflies can be mistaken for the closely related damselflies, which make up the other odonatan infraorder ( Zygoptera) and are similar in body plan though usually lighter in build; however, the wings of most dragonflies are held flat and away from the body, while damselflies hold their wings folded at rest, along or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Petaluridae
The petaltails of the family Petaluridae are apparently the most ancient of the extant true dragonfly, dragonflies (infraorder Anisoptera), having fossil members from as early as the Jurassic (over 150 million years ago). Modern petalurids include only 11 species, one of which, the Australian ''Petalura ingentissima'', is the largest of living dragonflies, having a wingspan of up to 160 mm and a body length of over 100 mm. Other Australian species include ''Petalura gigantea'' (commonly known as the giant dragonfly). In the United States, two species are found, one on either coast. The larvae live primarily in stream banks, mostly in burrows, but the larvae of the eastern US species, ''Tachopteryx thoreyi'', the gray petaltail, live in depressions under wet leaves. The semiaquatic habitat of the larvae makes the petaltails unique in the modern dragonfly families. Notes References *Silsby, Jill. 2001. ''Dragonflies of the World''. Smithsonian Institution Press, Was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phenes
''Phenes raptor'' is a species of dragonfly from Chile and other parts of South America. Larvae specimen have been collected along the Malleco River and additionally from a farm mill, whereas an adult specimen has been collected from additional sites in Chile. ''Phenes raptor'' is a predator, and it is the physically largest dragonfly in Chile. ''Phenes raptor'' is the only member of its genus. Body The body of ''Phenes raptor'' is part of a group of Odonata with similar features, nicknamed the ''Odonata of Chile''. These measure approximately 35–52 mm for its hindwings. They tend to have thin yet stubby bodies, tinted lightly yellow. Their faces are black, with a thin crossbar above its mouth, while its eyes are set widely apart, and the eyes are eventually joined by a point or dot near the center of its face. The male ''Phenes raptor'' has small anal appendages (more commonly known as tails), with three to four 4- celled triangles, which includes a small notch towards ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tanypteryx Pryeri
''Tanypteryx'' is a small genus of dragonflies in the family Petaluridae. The genus contains only two species. One ''Tanypteryx hageni'' , the black petaltail, occurs in the Pacific Northwest The Pacific Northwest (sometimes Cascadia, or simply abbreviated as PNW) is a geographic region in western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Though ... and the other, '' Tanypteryx pryeri'' , is found in Japan. References * * Petaluridae {{dragonfly-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tanypteryx
''Tanypteryx'' is a small genus of dragonflies in the family Petaluridae. The genus contains only two species. One ''Tanypteryx hageni'' , the black petaltail, occurs in the Pacific Northwest and the other, ''Tanypteryx pryeri ''Tanypteryx'' is a small genus of dragonflies in the family Petaluridae. The genus contains only two species. One ''Tanypteryx hageni'' , the black petaltail, occurs in the Pacific Northwest The Pacific Northwest (sometimes Cascadia, o ...'' , is found in Japan. References * * Petaluridae {{dragonfly-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tachopteryx Thoreyi ''Tachopteryx thoreyi'', commonly known as the gray petaltail and Thorey's grayback, is a species of dragonfly. It is native to the East Coast of the United States as far north as New York, as far south as Florida, and as far west as Texas. This species is the only member of the monotypic genus ''Tachopteryx''. The gray petaltail lives in highlands, woodlands, and deciduous forests with permanent seeps, often indicated by the presence of skunk cabbage and ferns. The gray petaltail is primarily gray and black in color; the thorax is usually entirely gray, while the abdomen The abdomen (colloquially called the belly, tummy, midriff, tucky or stomach) is the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The abdomen is the front part of the abdominal segment of the tors ... is gray and black. The adult is 7.1 to 8.0 centimeters in length. References Petaluridae Insects described in 1858 Taxa named by Hermann August Hagen [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
