Author 'Boucher Marc dit de Meilh' (Id 160584 ) : Red blood Sympetrum sanguineum Sympetrum then met at the edge of the marsh pond Dardes 38,300 in Isère. Sympetrum The male is bright red, sometimes slightly clearer when it has not yet reached adulthood. There is considerable dysmorphism between male and female: The male is red seduction, smaller than the female general. The female is yellow with red highlights, clear, brownish and greenish at times, then his eyes are clear, ranging from yellow-green to brown-brown ... We meet the Odonata from June to August and sometimes like this taken at the pond until October Dardes beside the still waters. It prefers quiet waters, in fact, muddy, muddy, etc.. In which it finds sustenance and means of reproducing ... So it will be found on the banks of ponds, pools, streams and rivers, springs and all water points where to live ... Marc Boucher said Meilhan.