Aeshnidae Reference Libraries

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Black Clubtail Hagenius brevistylus
2013-07-11 12:56:11

The black clubtail (Hagenius brevistylus), also known as the black dragon or dragonhunter, is a species of dragonfly that can be found in eastern areas of the United States and southern areas of Canada. This species is the largest in its range, reaching an average body length of 3.3 inches and it is the sole member of its genus, Hagenius. Males and females are black and yellow in color with...

Orange Emperor Anax speratus
2013-07-10 12:15:42

The orange emperor (Anax speratus) is a species of dragonfly that can be found in many areas including Angola, Ethiopia, Kenya, Nigeria, Somalia, and Uganda. It prefers to reside near rivers and freshwater springs that are bordered by reeds and rushes. Males of this species are known to guard territories. It is threatened by habitat loss due to water pollution and its population numbers are...

Lesser Green Emperor Anax guttatus
2013-07-10 12:12:18

The lesser green emperor (Anax guttatus), also known as the pale-spotted emperor, is a species of dragonfly that is native to Asia and Northern Australia. Its range includes China, India, Japan, Malaysia, the Philippines, Thailand, and Vietnam, but it can also be found in Africa. It prefers to reside in lakes and ponds with abundant aquatic vegetation. It is not known to have any major threats...

Evening Hawker Anaciaeschna triangulifera
2013-07-10 10:28:02

The evening hawker (Anaciaeschna triangulifera) is a species of dragonfly that is native to many areas in Africa including Angola, Ethiopia, Kenya, South Africa, Zambia, and the neighboring island of Madagascar. It prefers to reside in tropical or subtropical arid forests, moist lowland forests, and arid and moist shrublands. It can be found near marshes, wetlands, and rivers. There is...

Green Hawker Aeshna viridis
2013-07-10 10:24:48

The green hawker (Aeshna viridis) is a species of dragonfly that is native to many areas including Austria, Germany, Hungary, the Netherlands, Russia, and Sweden, among many other areas. It prefers to reside near calm lakes, marshes, swamps, rivers, and areas where the aquatic plant Stratiotes aloïdes is present. The species is threatened by habitat loss in some areas of its range,...

Blue-eyed Darner Aeshna multicolor
2013-07-09 23:26:49

The blue-eyed darner (Aeshna multicolor or Rhionaeschna multicolor) is a species of dragonfly that can be found in North and Central America. The range of this dragonfly includes Texas, the Dakotas, and Panama. It can be found at low elevations near ponds, lakes, and marshes. The blue-eyed darner reaches an average length between 2.5 to 2.75 inches and both males and females have blue eyes....

2013-07-09 23:16:11

Gynacantha is a genus that holds eighty-five species of dragonflies. Females hold two spines that slightly protrude from the abdomen, the trait from which the genus was named. Members of this genus are sometimes known as duskhawkers or two-spined darners. The genus holds species including Gynacantha manderica, Gynacantha africana, Gynacantha sextans, Gynacantha villosa, and Gynacantha dohrni....

Hairy Dragonfly Brachytron pratense
2013-07-09 23:10:55

The hairy dragonfly (Brachytron pratense), also known as the hairy hawker or spring hawker, is a dragonfly that is the sole member of its genus, Brachytron. It can be found in Europe, preferring to reside lakes, fens, ponds, ditches, and canals with abundant vegetation, like great fen sedge and common reed. The hairy dragonfly has a thorax that is covered in hair, the trait from which it...

Lesser Emperor Anax parthenope
2013-07-09 22:48:41

The lesser emperor (Anax parthenope) is a species of dragonfly that can be found in Africa, Asia, and southern areas of Europe. Its range includes most of the islands in the Mediterranean, China, Japan, the Canary Islands, and Great Britain, where its population numbers are increasing. It prefers to reside near calm bodies of water including ponds and lakes. The lesser emperor is large and...

Green Darner Anax junius
2013-07-09 22:46:07

The green darner (Anax junius), also known as the common green darner, is a species of dragonfly that can be found in North America, with a range that extends south to Panama. It will migrate from northern areas to southern areas such as Mexico and Texas, but it can also be found in Asia, from China to Japan, and the Caribbean and Tahiti. It prefers to reside near slow rivers, ponds, and lakes,...

Word of the Day
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.