CreatureData

Crescent bluet

Coenagrion lunulatum (Charpentier, 1840)

Status not recordeddragonflies

The crescent bluet (Coenagrion lunulatum) is a species in the family Coenagrionidae, order Odonata. Recorded adults reach 3.3 cm in length.

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Quick facts about the crescent bluet

Weight
Not recorded
Length
3 cm – 3.3 cm
Lifespan
Not recorded
Diet
Invertivore
Main food
Not recorded
Habitat
freshwater
Young per litter or clutch
Not recorded
Active
By day (diurnal)
Generations a year
One every two years or more
Conservation status
Not recorded
Countries on record
Not recorded

How big is the crescent bluet?

CRESCENT BLUET · LENGTH 3.3 CMADULT HUMAN · HEIGHT 1.7 M
At 3.3 cm, the recorded maximum length of the crescent bluet is about 1.9% of the height of an adult human (1.7 m, a fixed reference used for scale).

Where does the crescent bluet live?

Not recorded

Is the crescent bluet endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the crescent bluet classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classInsecta
  4. orderOdonata
  5. familyCoenagrionidae
  6. genusCoenagrion
  7. SpeciesCoenagrion lunulatum (Charpentier, 1840)

Synonyms Agrion lunulatum, Agrion vernale, Coenagrion vernale

Other names and names in other languages (22)
  • Irish blue damselflyEnglish
  • Irish damselflyEnglish
  • šidélko jarníCzech
  • Mursen Las IwerddonWelsh
  • Måne-vandnymfeDanish
  • MondazurjungferGerman
  • KuuliidrikEstonian
  • kuutytönkorentoFinnish
  • Agrion à lunulesFrench
  • holdkék légivadászHungarian
  • Mėnulinė strėliukėLithuanian
  • måneblåvannymfeNorwegian Bokmål
  • MaanwaterjufferDutch
  • måneblåvassnymfeNorwegian Nynorsk
  • łątka wiosennaPolish
  • Стрелка весенняяRussian
  • šotni škratecSlovenian
  • mesečeva plava devicaSerbian
  • månflicksländaSwedish
  • Стрілка веснянаUkrainian
  • Mursennod Glas IwerddonWelsh
  • Mond-AzurjungferGerman

Catalogue of Life

Relatives of the crescent bluet

Other species in the same genus Coenagrion.

Mercury bluet

Coenagrion mercuriale

CoenagrionidaeNo free photo yet

Dainty bluet

Coenagrion scitulum

CoenagrionidaeNo free photo yet

Dark bluet

Coenagrion armatum

CoenagrionidaeNo free photo yet

CompareCrescent bluet vs Azure damselflyCrescent bluet vs Variable bluetCrescent bluet vs Mercury bluetCrescent bluet vs Spearhead bluet

Common questions

Answered only where our data holds the answer.

How big is the crescent bluet?

An adult crescent bluet measures 3 cm – 3.3 cm long, according to values recorded on Wikidata.

What kind of animal is the crescent bluet?

The crescent bluet (Coenagrion lunulatum) belongs to the family Coenagrionidae in the order Odonata.

Sources and how to cite this page

Data as of 2026-11-11. How this page is put together.

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APA

CreatureData. (2026). Crescent bluet (Coenagrion lunulatum). Retrieved from https://creaturedata.com/animals/crescent-bluet

MLA

“Crescent bluet (Coenagrion lunulatum).” CreatureData, 2026, https://creaturedata.com/animals/crescent-bluet.

BibTeX
@misc{crescent_bluet_2026,
  title = {Crescent bluet (Coenagrion lunulatum)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/crescent-bluet},
  note = {Data as of 2026-11-11}
}