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Crocothemis servilia servilia (Drury, 1770)
ID Source #1 : http://www.asia-dragonfly.net
ID Source #2 : http://www.odonata.ne.jp
Found in Bangladesh, China, Guandong, Guangxi, Hong Kong, Hainan, Indonesia, India, Japan, Lao, Sri Lanka, Myanmar, Malaysia, Philippines, Peninsular Malaysia, Thailand, Taiwan
Sub-Order: ANISOPTERA Super-Family: LIBELLULOIDEA Family: LIBELLULIDAE

Crocothemis servilia  is a medium-sized (hw, 32-34 mm) red dragonfly easily confused with Orthetrum species, but distinguished by the presence of an incomplete distal antenodal crossvein on the forewing. It is widespread, normally found in artificial water bodies and cultivated land, especially padi, up to at least 1000 m, but may be uncommon in parts of Borneo. A very similarspecies is Rhodothemis rufa  which is about the same size and also has an incomplete antenodal crossvein in the forewing. In Rhodothemis the eyes just meet at the top of the head whereas in Crocothemis they are broadly touching . Moreover, the discoidal field in the forewing (that area extending to the wing margin from the triangle and bounded by two major veinsˇX has a minimum of three rows of cells in Crocothemis but at some point has only two rows in Rhodothemis. If specimens of both species are available, other helpful distinctions are the pterostigma, which is relatively longer in Crocothemis, and the legs, which in Rhodothemis have much stronger spines.

The order of Odonata

Dragonflies and Damselflies

separated into three suborders,
Suborder #1 Suborder #2 Suborder #3
Anisoptera
(dragonfly)		 Zygoptera
(damselfly) 		Anisozygoptera
 ()
8 living families 17 living families ˇ@

5,500 species have been described and they are distributed from the tropics, where the greatest numbers and diversity occur, to the tree-line in polar regions

Anisozygoptera is represented by 2 species

1) Himalaya Mountains

2)Japan

- although only one family is now living, fossil evidence of 10 extinct families indicates considerable early diversity within this suborder
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The order Odonata is pronounced in the English form "o do NAY ta". This scientific name is derived from a Greek word, odon, meaning " tooth," possibly referring to the teeth on the mandibles or tusk-like shape of the insect's abdomen.

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British Dragonfly Society  :  to promote and encourage the study and conservation of dragonflies and their natural habitats, especially in the United Kingdom.    http://www.dragonflysoc.org.uk

NEW INDEX : Dragonfly     May 16, 2008 11:23:14 AM

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