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EMPEROR OVIPOSITING

on 17th July 2015

You can view the Emperor mating HERE.

“In November 2014, I was thrilled by the appearance of Emperor dragonflies (Anax guttatus, family Aeshnidae) as they performed their antics at a local pond. My heart raced with excitement whenever a female arrived onto the scene, as there would be opportunity to witness her ovipositing behaviour if she had already mated.

“Using her blade-like ovipositor, the female may deposit her eggs into a variety of receptacles, including:

…a floating branch (above),

…spongy stems of emergent aquatic vegetation (above),

…and floating aquatic vegetation (above).

“Occasionally, a protective male may be seen to be hovering above and overlooking the female while she is ovipositing (below). In doing so, the male zealously guards the female from being snatched away by another competing male and ensures that he is the sole father of their offspring.

“Video clips of the female depositing her eggs may be viewed here:

“A video clip of the male hovering over the ovipositing female may be viewed here:”

Dr. Leong Tzi Ming
Singapore
11th July 2015

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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