Anax imperator (Leach, 1815)
Grote keizerlibel Blue Emeror  (Emporer Dragonfly) L: 66 - 84 mm
Relevant Dutch literature (Eng. summary)    

Grote Keizer man

Adult (male), Taarlo, Drenthe, May 23, 2007

Grote keizerlibel man Adult (male), Taarlo, Drenthe, June 14, 2005
Grote keizerlibel man territoriaal Territorial adult (male), Grolloo, Drenthe, May 29, 2009
Grote keizerlibel vrouw

Young adult (female), Vledder, Drenthe, June 30, 2005

Grote keizerlibel vrouw Adult (female), Taarlo, Drenthe, June 8, 2005
Mating, Drouwen, Drenthe, May 24, 2007
Grote keizerlibel vrouw copula Adult (female) mating, Drouwen, Drenthe, May 24, 2007
Grote keizerlibel eiafzet Ovipositing female, Gasteren, Drenthe, June 24, 2008
Ovipositing female (disturbed), Vledder, Drenthe, June 2, 2007
Ovipositing female, Vledder, Drenthe, June 2, 2007
Grote keizerlibel uitsluip

Emerged (male), Diaconieven, Friesland, Juny 4, 2006

Habitat: It is found at most larger bodies of calm waters.

Distribution:  Has expanded northwards in the last decades. Now common in the whole country

Flight season: From May to October, but highest numbers in June and July

Status: Not endangerd and common