Common blue

Also called the common blue butterfly, the species carries the authority (von Rottemburg, 1775) and is placed in the subfamily Polyommatinae, tribe Polyommatini and genus Polyommatus.

Weight

Not recorded

Length

Not recorded

Wingspan

2.35 cm – 3.9 cmsrc for Wingspan

Lifespan

Not recorded

Diet

Scavengersrc for Diet

Main food

flowerssrc for Main food

Habitat

grassland, human_modified, wetlandsrc for Habitat

Young per litter or clutch

Not recorded

Active

By day (diurnal)src for Active

On the wing

March to Octobersrc for On the wing

Generations a year

Severalsrc for Generations a year

Larval food plants

Fabaceae familysrc for Larval food plants

Conservation status

Not recorded

Countries on record

Not recorded

Not recorded

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.

1. kingdomAnimalia
2. phylumArthropoda
3. classInsecta
4. orderLepidoptera
5. familyLycaenidae
6. genusPolyommatus
7. SpeciesPolyommatus icarus (von Rottemburg, 1775)

Synonyms Cyaniris icarus, Lycaena albocuneata, Lycaena albolimbata, Lycaena alexis, Lycaena alsus, Lycaena amethystina, Lycaena brunnea, Lycaena centrirufa, Lycaena courvoisieri, Lycaena crassipuncta, Lycaena duesseldorfensis, Lycaena icarus, Lycaena impunctata, Lycaena liliputana, Lycaena livida, Lycaena minor, Lycaena minor, Lycaena nana, Lycaena nigrocuneata, Lycaena nigromaculata, Lycaena parvipuncta, Lycaena parvula, Lycaena privata, Lycaena pseudocyllarus, Lycaena pygmaea, Lycaena quadripuncta, Lycaena radiata, Lycaena rufopunctatus, Lycaena rufotincta, Lycaena semiarcuata, Lycaena subtus-obscurior, Lycaena subtusminuspunctata, Lycaena subtusradiata, Lycaena supracaerulea, Lycaena tetrapunctata, Lycaena transiens, Lycaena tripuncta, Lycaena tripunctata, Lysandra hylas, Papilio alexis, Papilio argus, Papilio candaon, Papilio candiope, Papilio candybus, Papilio fusciolus, Papilio hylas, Papilio icarus, Papilio pampholyge, Papilio polyphemus, Papilio thetis, Plebeius icarus, Plebejus icarus, Polyommatus albescens, Polyommatus albistria, Polyommatus albolunulata, Polyommatus albomarginata, Polyommatus alboocellata, Polyommatus amoena, Polyommatus angulata, Polyommatus anticoapicalis, Polyommatus anticostriata, Polyommatus apicata, Polyommatus apicatalunulata, Polyommatus apicatasupracaerulea, Polyommatus apicatathetis, Polyommatus apicojuncta, Polyommatus arcua, Polyommatus arcuata, Polyommatus arionoides, Polyommatus auroextensa, Polyommatus auropuncta, Polyommatus aurosa, Polyommatus barnumi, Polyommatus basijuncta, Polyommatus biarcuata, Polyommatus biformis, Polyommatus caeca, Polyommatus caeca, Polyommatus caerulea-cuneata, Polyommatus caeruleata, Polyommatus caerulescens, Polyommatus carteri, Polyommatus caudatanulla, Polyommatus cometa, Polyommatus costajuncta, Polyommatus discreta, Polyommatus dorylas, Polyommatus dorylas dorylas, Polyommatus elongata, Polyommatus fimbrinotata, Polyommatus flavastriata, Polyommatus flaveoextensa, Polyommatus flaveopuncta, Polyommatus flaveosa, Polyommatus flavocinctata, Polyommatus fusca-albolunulata, Polyommatus fusca-caerulescens, Polyommatus fusca-semiclara, Polyommatus fusca-supracaerulea, Polyommatus fusca-thestylis, Polyommatus fusca-thetis, Polyommatus glauca, Polyommatus icarescheri, Polyommatus icarus, Polyommatus icarus, Polyommatus icarus claracaelestis, Polyommatus icarus flavocinctata, Polyommatus iphis-cuneata, Polyommatus marginelineata, Polyommatus obsoleta, Polyommatus pallidula, Polyommatus parvilunulata, Polyommatus parvipuncta-icarinus, Polyommatus postico-extensa, Polyommatus posticoapicalis, Polyommatus posticoinocellata, Polyommatus semicandiope, Polyommatus semiclara, Polyommatus semiicarinus, Polyommatus semipersica, Polyommatus septemargenteoguttata, Polyommatus striata, Polyommatus subalboocellata, Polyommatus subobsoleta, Polyommatus suffescens, Polyommatus thersites-albolunata, Polyommatus thersites-cuneata, Polyommatus thersites-supracaerulea, Polyommatus thersites-thetis, Polyommatus thestyliscaerulescens, Polyommatus vacua, Polyommatus virgularia

Catalogue of LifeWikipediaTAXREFWikidata

CompareCommon blue vs Damon blueCommon blue vs Meleager's blueCommon blue vs Eros blueCommon blue vs Ripart's anomalous blue

• Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
  Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
• Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
  Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
• LepTraits 1.0: a globally comprehensive dataset of butterfly traits · CC0 1.0 · 1.0
  Shirey, V., Larsen, E., Doherty, A. et al. (2022) LepTraits 1.0: a globally comprehensive dataset of butterfly traits. Scientific Data 9: 382. https://doi.org/10.1038/s41597-022-01473-5. Data: https://doi.org/10.6084/m9.figshare.19874602.v1
• TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe · CC BY 4.0 · 2.0
  Chauvier, Y., Adde, A., Bergamini, A. et al. (2025) TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe. Zenodo. https://doi.org/10.5281/zenodo.15063844
• Wikidata · CC0 1.0 · 2026-11-11
  Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
• Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
  Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

@misc{common_blue_2026,
  title = {Common blue (Polyommatus icarus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/common-blue},
  note = {Data as of 2026-11-11}
}