on 21st December 2014

“The male Banded Skimmer (Pseudothemis jorina, Libellulidae) is a dashing dragonfly which is predominantly black all over, with a contrasting white ‘waistband’ on its abdomen (above).

“If you come face to face with this dragonfly, its prominent white ‘nose’ and ‘lips’ are most adorable (above).

“It is not often that we find males perched, as they have a habit of constantly cruising over long stretches along the banks of large ponds. Their constant patrolling is a reflection of how territorial they can be.

“Video clips of the male (patrolling and perched) may be previewed below:

“Another important reason for conducting frequent aerial patrols is that the males can increase their chances of hooking up with females. In early October 2014, I witnessed a few mid-air ‘collisions’, when the receptive female presented herself to a diligent male. Mating in wheel position is performed on the wing and only lasts a few seconds.

“Shortly after mating, the female selects a semi-submerged stem or branch that is just floating at the water surface. She then flies in a series of repeated loops to deposit her eggs (oviposit) upon the film of water over the chosen substrate.

“Video clips of the female ovipositing (in actual speed) may be previewed below:

“Video clips of the female ovipositing (in slow motion) may be previewed below:”

Dr. Leong Tzi Ming
13th December 2014

If you like this post please tap on the Like button at the left bottom of page. Any views and opinions expressed in this article are solely those of the authors/contributors, and are not endorsed by the Lee Kong Chian Natural History Museum (LKCNHM, NUS) or its affiliated institutions. Readers are encouraged to use their discretion before making any decisions or judgements based on the information presented.

YC Wee

Dr Wee played a significant role as a green advocate in Singapore through his extensive involvement in various organizations and committees: as Secretary and Chairman for the Malayan Nature Society (Singapore Branch), and with the Nature Society (Singapore) as founding President (1978-1995). He has also served in the Nature Reserve Board (1987-1989), Nature Reserves Committee (1990-1996), National Council on the Environment/Singapore Environment Council (1992-1996), Work-Group on Nature Conservation (1992) and Inter-Varsity Council on the Environment (1995-1997). He is Patron of the Singapore Gardening Society and was appointed Honorary Museum Associate of the Lee Kong Chian Natural History Museum (LKCNHM) in 2012. In 2005, Dr Wee started the Bird Ecology Study Group. With more than 6,000 entries, the website has become a valuable resource consulted by students, birdwatchers and researchers locally and internationally. The views and opinions expressed in this article are his own, and do not represent those of LKCNHM, the National University of Singapore or its affiliated institutions.

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