Gynacantha dohrni Kruger, 1899

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Pic 4452
Full size 141 kb 
Upl on 2008-07-31

Gynacantha dohrni Kruger, 1899
Photo taken in Sabah (Malaysia) on 2008-07-30

Gynacantha dohrni is a common species. Gynacantha species are easily recognized by the swollen spherical base to the abdomen with large rounded ear-like auricles on segment 2 followed by an extremely constricted segment 3.

This male Gynacantha dohrni measurement :
Front wing length : 44mm
Front wing span : 94mm
Total body length including appendages : 68mm
Superior appendage length : 7mm

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Pic 3429
Full size 278 kb 
Upl on 2007-10-25

Gynacantha dohrni Kruger, 1899
Photo taken in Sukau, Kinabatangan River, Sabah (Malaysia) on 2007-10-03

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Pic 4439
Full size 107 kb 
Upl on 2008-07-29

Gynacantha dohrni Kruger, 1899
Photo taken in Kinabatangan River N 5 30' E 118 17', Sabah (Malaysia) on 2006-11-20

This male came to lights

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Pic 1177
Full size 262 kb 
Upl on 2005-10-19

Gynacantha dohrni Kruger, 1899
Photo taken in Rimba Eco Lodge Sekonyer River Kalimantan (Indonesia) on 2005-09-04

JAN TAYLOR: Heliaeschna uninervulata. This specimen was settled by a light in the evening - too big for the geckos to tackle. Clearly has only one cross vein in the median space.
VINCENT KALKMAN: The presence of one crossvein in the median space does seem to point to H. uninervulata. However not all the wings seem to have a crossvein and the anal appendages differ from H. simplica which is said to be more or less identical to H. uninervulata. My guess is that it is a slightly abberant Gynacantha dorhni: the colourpattern and the appendages are identical with this species (Dragonflies of Borneo; Orr, 2003)

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