Search results
Results From The WOW.Com Content Network
Meganeura is a genus of extinct insects from the Late Carboniferous (approximately 300 million years ago). It is a member of the extinct order Meganisoptera, which are closely related to and resemble dragonflies and damselflies (with dragonflies, damselflies and meganisopterans being part of the broader group Odonatoptera).
[2] [3] The species is known generally as the giant darner or giant green darner. [4] The distribution range of Anax walsinghami includes Central America and North America. [ 3 ] At up to 120 mm (4.7 in) in wingspan and with a typical body length of 89–117 mm (3.5–4.6 in), it is North America's largest dragonfly, [ 2 ] [ 5 ] although ...
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 ...
Meganisoptera is an extinct order of large dragonfly-like insects, informally known as griffenflies or (incorrectly) as giant dragonflies. The order was formerly named Protodonata , the "proto-Odonata", for their similar appearance and supposed relation to modern Odonata ( damselflies and dragonflies ).
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.
Rhionaeschna californica, the California darner, is a species of darner in the dragonfly family Aeshnidae.It is commonly found in Central America, along the West Coast of the United States, and in Southwestern Canada.
Another large Australian species is Petalura gigantea, commonly known as the giant dragonfly. In the United States, two species are found, Tanypteryx hageni in the west and Tachopteryx thoreyi in the east.
The emperor dragonfly [2] or blue emperor [1] (Anax imperator) is a large species of hawker dragonfly of the family Aeshnidae. It is the largest dragonfly in most of Europe, including the United Kingdom, [ 2 ] although exceeded in some areas by other species.