Family : Libelluidae
Common Name : Blue Sentinel
Status : Rare
Location : Upper Peirce
This is a rare forest species which prefers to perch under shaded areas. The male has dark thorax and abdomen. Abdominal segments 2-4 are powdery bluish-white. It looks very similar to the dark form of male Orchithemis Pulcherrima except that O. Pruinans is slighter larger and its abdomen is thinner and longer. The white marking of O. Pulcherrima covers only the second and third segments of its abdomen. The female is said to be brown in colour which has not been recorded in Singapore.
(Male - Upper Peirce, 20 Sep 2010)
This male was spotted recently at Upper Peirce forest. I have originally thought that it was an uncommon dark form male O. Pulcherrima, which I was glad to add to my collection. Little did I know that it was actually a rare O. Pruinans making me even happier! It is an easy subject to photograph as it stays at the fixed spot for a long period. Even if it flew away, it would return or perch very nearby. The only problem is the poor lighting as it always choose a shaded area to perch. I saw quite a no. of them around the vincinity but I am unsure whether they were O. Pulcherrima or O. Pruinans now.
(Side view - Upper Peirce, 20 Sep 2010)
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