Onychogomphus forcipatus (Linneaus, 1758)
Kleine tanglibel Small Pincertail (Green-eyed Hooktail) L: 46 - 50 mm
Relevant Dutch literature (Eng. summary)    

Adult (male), Morvan,  France, August 1, 2004

Kleine tanglibel man Adult (male), Heinasuo, Finland, July 24, 2009
O.forcipatus unguiculatus

Adult (male) subspecies O.forcipatus unguiculatus , Samos,  Greece, June, 2007.

Note for instance the blue eyes, yellow upper appendages

Larvea, Petit Creuse (Boussac, France, July 26, 2002

Habitat: Largely unshaded (usually rocky) rivers and streams.In the Netherlands small rivers with sand and gravel banks.

Distribution: Only in the south of the country (Limburg). In 2000 a possible population was discovered at river the Roer.

Flight season: June to September.

Status: Very rare in The Netherlands.