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Crocothemis nigrifrons is a species of dragonfly in the family Libellulidae. [3] Its common names include black-headed skimmer and blue-scarlet dragonfly. [4] It is found in Australia, Papua New Guinea, and the Solomon Islands. The male is blue and black, and the female is yellow to brown in color. [4]
It is a medium sized dragonfly with dark face and greenish blue eyes. The thorax of old males are dark blue due to pruinescence. Its wings are transparent with dark amber-yellow tint in the extreme base. Its abdomen is pruinosed with blue color up to segment 8; last two segments are black.
A particular perch may give a dragonfly a good view over an insect-rich feeding ground; males of many species such as the Pachydiplax longipennis (blue dasher) jostle other dragonflies to maintain the right to alight there. [50] Defending a breeding territory is common among male dragonflies, especially in species that congregate around ponds.
The Australian Dragonflies: A Guide to the Identification, Distributions and Habitats of Australian Odonata. Melbourne: CSIRO. ISBN 0643051368. Theischinger, Gunther; Endersby, Ian (2009). Identification Guide to the Australian Odonata (PDF). Department of Environment, Climate Change and Water NSW. p. 241. ISBN 978 1 74232 475 3.
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. At about 30 mm (1.2 in) long, it is Britain's smallest resident dragonfly.
The blue corporal is a small, thickset dragonfly, measuring 29–40 mm (1.1–1.6 in) in length. [8] The male has a dark brown thorax with two wide, bluish, pruinose stripes on the front and a pruinose blue abdomen. His face is black, and his eyes dark brown.
Anax immaculifrons, [2] the magnificent emperor, [1] or blue darner, [3] is a species of dragonfly in the family Aeshnidae.Almost all its range is in West and South Asia (the population further east in Asia is now recognized as a separate species, A. aurantiacus); it is Europe's largest dragonfly but very marginal in the continent where restricted to some Aegean Islands and Cyprus.
Austrosynthemis is a monotypic genus of dragonfly in the family Synthemistidae. [4] [5] Its single species, Austrosynthemis cyanitincta, [6] more commonly known as the turquoise tigertail, [7] is found in south-western Australia, [8] [6] where it inhabits streams. [9] Austrosynthemis cyanitincta is a small, black dragonfly with blue markings. [7]
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