Tholymis tillarga (Fabricius, 1798) Evening Skimmer雲斑蜻

Tholymis tillarga (Fabricius, 1798) Evening Skimmer 雲斑蜻/夜遊蜻蜓

ID Source http://www.asia-dragonfly.net
ID Source http://tombon.com

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Found in Bangladesh, China, Guandong, Hong Kong, Hainan, Indonesia, India, Japan, Lao, Sri Lanka, Myanmar, Malaysia, Philippines, Peninsular Malaysia, Thailand, Taiwan, Viet Nam

Sub-Order: ANISOPTERA

Super-Family: LIBELLULOIDEA

Family: LIBELLULIDAE

Infrakingdom: Ecdysozoa Aguinaldo et al., 1997 ex Cavalier-Smith, 1998 - ecdysozoans
- Phylum: Arthropoda Latreille, 1829 - arthropods
  - Class: Insecta Linnaeus, 1758 - insects
    - Order: Odonata - dragonflies and damselflies
      - Suborder: Anisoptera Selys, 1854 - dragonflies
        
        Family: Libellulidae
        
        Genus: Tholymis
        
        Species: tillarga (Fabricius, 1798)
        
        Scientific Name: Tholymis tillarga (Fabricius, 1798)

雲斑蜻/夜遊蜻蜓

體長：4.0~4.5公分科名: 蜻蜓科 Libellulidae 學名: Tholymis tillarga 夜遊蜻蜓特徵:雄蟲複眼紅色,合胸紅色;翅透明, 後翅靠近基部有一褐色斑,褐色外圍有一白色斑, 翅痣黃褐色.腹部紅色.腹長29-33mm, 後翅長32-35mm.雌蟲體色為黃褐色, 後翅無白斑.常於午後巡邏於公園內開闊的長形渠道

Tholymis tillarga (hw 35mm) is another common crepuscular species in Sabah. Found in drains, lakes and weedy ponds. It commences activity about two hours before dusk. Males are quite conspicuous in the dull evening light by virtue of the bright white wing patches, which seem almost to glow as they fly back and forth. Its orange abdomen is also conspicuous. It is of medium size ( hw, 34-35 mm) and very widely distributed in the old world tropics.

Immatures male and female liik similar but lacking white patch. Common in standing and slow flowing water in all types of open habitats, 0-1500 m; salt tolerant. Larva bottom dwelling, without long posterior spines and relatively slender. Adults active from 2-3 hours before sunset until dark. In the light of early dusk the whirring white patches on the wings are almost luminescent, and as the gloom deepens, are all that can be seen. Widespread in tropical Asia, Africa and Australasia.
　

http://www.ilib.cn/Periodical.Articles/shidkx/2005/03/shidkx200503002.html

"....Tholymis tillarga and Copera ciliata were strictly found at ......implicating their preference for smaller, slow moving and polluted river with floating microphytes.... "

Unique pattern of a mature male T. tillarga.

A mature male Tholymis tillarga's hind wing has a amber-brown tinted patch followed by area of white pruinescence which seem to glow as they fly back and forth.

However immature male lacking this white patch