Description
Mature males are a deep, powder blue whereas the females are brown. Unlike its relative O. cancellatum, the blue colour extends throughout the thorax and abdomen. Found by streams, ponds and lakes normally but I have seen this species near to the River Orb in Languedoc.
Male, stream near Chateau de Grézan, Laurens (34), 28th May 2005
Face-on photo of male, Chateau de Grézan, Laurens (34), 28th May 2005
Female, ovipositing in shallows of stream near Chateau de Grézan, Laurens (34), 28th May 2005
Observations
14/07/2004 2 males flying by the River Orb nearHérépian, Hérault (34).
28/05/2005 Male and female observed mating and ovipositing on a stream near the Chateau de Grezan, Laurens (34). Male flew over the female, guarding her, while she dipped eggs into shallow water.
31/05/2005 Pair observed ovipositing on Le Verdus stream near St-Guilhem-le-Desert (34)
01/06/2005 A few males and an ovipositing female seen on the River Mare at St-Etienne-d'Estrechoux (34)
22/06/2006 Solitary male at Plan d'Eau, Lunas (34)
10/07/2008 2 males and a female ovipositing at the Plan d'eau near Lunas
09/06/2009 3-10 males at the La Peyne stream near to the Barrage des Olivettes.
16/06/2009 A sinfle male by the River Orb at Hérépian.
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This page last updated 11/04/2005