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Sapphire Rockmaster Damselfly - Diphlebia coerulescens 

FAMILY Diphlebiidae

This page contains information and pictures about Sapphire Rockmaster Damselflies that we found in the Brisbane area, Queensland, Australia.
 
Male, body length 50mm, male
 
Sapphire Rockmasters are large damselflies with thick body. They rest with wings spread, much look like dragonflies. They likes to perch on the vegetations about a meter over the running water. When we went near them, they flied away while we were still two meters away. They flied to a higher position and keep watching at us. They returned to the same spot after we went away.
 
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The Rockmaster Damselflies have black head, black striped bright blue colour thorax, blue ringed black abdomen and blue light tail. Their anal appendages are black in colour. Their wings are dark brown with clear wings base.
 
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Our Australian Dragonfly Society Secretary, Ric Nattrass told us that we can easily find the Rockmasters on Northbrook Creek near Lake Wivenhoe. We went there on 2002 summer and found those beautiful animal. 
 

 
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On Nov 2010 we visit the Northbrook Creek again at the Red Cedar section. We found a lot of the Rockmasters flying around. 
 
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We  also found a female, which is relatively rarer than the male. Females are brownish-yellow in colour with black patterns, which are quite different from the males.
 
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The male in above photos has the slightly smoked wings. They will become much darker when matured, like those on the above of this page. We did found some dark-winged matured males that day but could not take their photos. They seems more alerted than the young damselflies. 
 
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Northbrook Creek is a rapid flowing small river with rock and sand base. The water is crystal clear.. 
 

Reference:
1. The Australian Dragonflies - CSIRO, Watson, Theisinger & Abbey,1991, p170.
2. A Field Guide to Dragonflies of South East Queensland - Ric Nattrass, 2006, p42.
3. The Complete Field Guide to Dragonflies of Australia - CSIRO, GŁnther Theischinger and John Hawking, 2006, p18. 

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Last updated: November 27, 2010.