Crescent Bluet (Coenagrion lunulatum)
• English name: Crescent Bluet
• German name: Mond-Azurjungfer
• French name: Agrion à lunules
• Dutch name: Maanwaterjuffer
• Swedish name: Månflickslända
• Norwegian name: Måneblåvannymfe
• Finnish name: Kuutytönkorento
• Danish name: Måne-vandnymfe
• Italian name: N/A
• Czech name: šidélko jarní
• Slovenian name: Šotni škratec
• Bulgarian name: N/A
Crescent Bluet
(Coenagrion lunulatum)
Not present
Present before 1990
Present after 1990
Present before and after 1990
Present after 2015

Map data based on J.-P. Boudot & V. J. Kalkman (eds.),
Atlas of the European Dragonflies and Damselflies
| General | • a small and stocky-looking species which occurs mainly in north-eastern Europe | |
| Classification | • suborder: Zygoptera (damselflies); family: Coenagrionidae | |
| Conservation status | • IUCN Red List Europe: Least Concern | |
| Scientific name | • Coenagrion lunulatum (Charpentier, 1840) | |
| Name genus | • Coenagrion: from Grk. κοινός = common, widespread +; ἄγριος = wild, living in the fields | |
| Name species | • lunulatum: from Lat. lunulatus, -a, -um = equipped with a little moon ⇒ for the crescent-shaped mark on the male's S2 | |
| Distribution | • click or tap the Map button above | |
| Habitat | • well-vegetated ponds and lakes, especially with acidic water | |
| Dimensions | • typical body length: 30-33 mm; hindwing: 16-22 mm | |
| Notes | • similar to C. hastulatum | |
| Both sexes | Head | ➤ the underside of the eyes, thorax and abdomen is green |
| Wings | • the pterostigma is uniformly dark grey to black | |
| Male | Head | ➤ the postocular spots are not connected by a line; by contrast, females as well as both sexes of the similar C. hastulatum do have such a connecting line |
| Abdomen | ➤ the black mark on S2 resembles a half-moon crescent with two upright dashes (but this feature may vary) | |
| Female | Thorax | • the thorax is black and green/brown |
| • the hind margin of the pronotum has two incisions, creating three separate lobes; see also the LineDrawing below | ||
| Abdomen | ➤ the top of the abdomen is black but with sky-blue areas on S2 and especially S8 | |
| Photographs | • all of our photos below were made in the Netherlands and Sweden |
LineDrawing: the female's pronotum in lateral view.


