Euphaea subcostalis 藍彩幽蟌

or Euphaea subnodalis (Laidlaw, 1915)  ??

ID Source : http://www2.ups.edu
Found in China, Malaysia

Genus : Euphaea

 Super-Family: CALOPTERYGOIDEA Family: EUPHAEIDAE

Other blue damselflies of Sabah :

|  Elattoneura coomansi   |  Euphaea impar (Selys, 1859)  |  Euphaea subcostalis   |  Euphaea subnodalis (Laidlaw, 1915)  |
|  Ischnura senegalensis (Rambur, 1842) |  Lestes praemorsus decipiens Kirby, 1893  |  Libellago semiopaca  (Selys, 1873)  |
|  Rhinocypha aurofulgens (Laidlaw, 1931)  |  Rhinocypha humeralis   |  Xiphiagrion cyanomelas (Selys, 1876)  |

".....Of great interest is that fact that on Euphaea subcostalis, the seminal vesicle (a bulbous structure at the rear end of segment 2) has pointed lateral projections that might serve the same function as the pseudoauricles.  This species also has small pseudoauricles.  Looking at C. cyanifrons again, I see that its seminal vesicle also has these projections!  None of the other species in the family EUPHAEIDAE that I looked at had other than smoothly rounded seminal vesicles....."

Dennis Paulson, Director Slater Museum of Natural History University of Puget Sound Tacoma, WA 98416 http://mailweb.ups.edu

10:42 AM - I saw this male Euphaea subcostalis flew to the twig not from above but from the stream water 2 feet below and spread out his wings perhaps to dry up or to warm up under the sun.

Euphaea subcostalis is one of the most colorful damselflies in Sabah with shinning metallic blue in middle of both hind wings.

10:45 AM - The same male Euphaea subcostalis. The metallic blue circle under the wings are much brilliantly shinning as compare to the upper side (above picture).

This is the side of the wings (the underside of the wings) a male used to attract a female’s attention

For more about odonata, try the Odonata Information Network or Dragonfly and Damselfly Links or Oregon Dragonfly and Damselfly Survey.

INDEX : Dragonfly     September 15, 2007 10:59:25 AM