Lestes praemorsus decipiens Kirby, 1893 隱紋絲蟌

http://sjl.csie.chu.edu.tw

 

Found in Asia: Hong Kong, Indonesia, India, Sri Lanka, Myanmar, Thailand
 
Sub-Order: ZYGOPTERA Super-Family: LESTOIDEA Family: LESTIDAE
Photographs and text by : Wong    Photograph location : Sabah, Malaysia  March 2006-2007

Other blue damselflies of Sabah :



A male Lestes praemorsus decipiens Kirby, 1893. Perching with wings half open, a physically unique from normal damselflies.
Though geographically wide spread in tropical Asia but quantity very few to find. Making it more difficult to see is its habit of perching vertically while other damselflies are more easily seen standing horizontally.

Lestes praemorsus decipiens have a hockey-stick-shape abdomen. They like dandling with their long thin hockey abdomens as if practicing golfing. These ‘Golf-lovers’ should be easily seen beside the tropical ponds and lakes of the many Golf courses in Sabah.

From the very first time I saw a Lestes praemorsus decipiens last year, I love this damselfly for its soft and warm feeling. Very different to other damselflies that are smooth and shinning to the eyes.
A close look gave the explanation why. Lestes praemorsus decipiens are wearing a layer of thick short fur covering the whole body from head, thorax to abdomen like those warm blooded animals. Other damselflies are having a layer of plastic-like smooth skin with sharp long hairs.

The same male Lestes praemorsus decipiens of previous 3 pictures.
Last 3 sections (section 8, 9, 10) of the abdomen. The abdomen, as well as head and thorax, is covered with a layer of thick short fur. This outlook gives Lestes praemorsus decipiens a soft and warm feeling to the eyes which is different with the smooth and shinning look of other damselflies and dragonflies.


Common in lowland swamps and drains especially disturbed habit age. Perches with wings half open.  Wide spread in tropical Asia.

Geographically wild spread in tropical Asia but quantity very few

 

 

dandling its abdomen


本科有4種,為隱紋絲蟌、青紋絲蟌、長痣絲蟌、鑲紋絲蟌。


體長42-46mm,雄蟲複眼藍色,合胸淡紫色具藍紫色的斑點,腹部細長,腹背黑色,停棲時腹部末端常翹起;雌雄外觀近似但雌蟲腹部較粗。生活於低海拔之水田、池塘等靜水域,主要分布於北部及東北部山區,棲息量甚少。本科有4種都是較不普遍的種類,其中鑲紋絲蟌身份未明。


體型細小,雄蟲呈寶藍色,胸部有黑點斑紋。

翅透明,翅痣暗褐色·

复眼蓝色·    胸部有黑色斑点·

胸部覆有蓝灰色粉末·    腹部第1、9、10节覆有蓝灰色粉末·

 

牠們停棲時會將翅膀張開,不同於一般豆娘停棲時翅膀是豎在背後的
 


Lestes sp.
Lestes japonicus Selys, 1883
Lestes nodalis Selys, 1891
Lestes platystylus Rambur, 1842
Lestes praemorsus decipiens Kirby, 1893
Lestes praemorsus praemorsus Hagen in Selys, 1892
Lestes sponsa (Hansemann, 1823)
Lestes temporalis Selys, 1883
Lestes virens (Charpentier, 1825)

INDEX : Dragonfly     September 15, 2007 01:16:04 PM