CreatureData

Eros blue

Polyommatus eros (Ochsenheimer, 1808)

Status not recordedbutterflies and moths

The eros blue (Polyommatus eros) is a species in the family Lycaenidae, order Lepidoptera.

No freely licensed photo yet

Quick facts about the eros blue

Weight
Not recorded
Length
Not recorded
Wingspan
2.5 cm – 3.4 cm
Lifespan
Not recorded
Main food
flowers
Habitat
grassland, rocky
Young per litter or clutch
Not recorded
On the wing
April to September
Generations a year
Several
Larval food plants
Fabaceae family
Conservation status
Not recorded
Countries on record
Not recorded

How big is the eros blue?

EROS BLUE · WINGSPAN 3.4 CMADULT HUMAN · HEIGHT 1.7 M
At 3.4 cm, the recorded maximum wingspan of the eros blue is about 2.0% of the height of an adult human (1.7 m, a fixed reference used for scale).

Where does the eros blue live?

Not recorded

Is the eros blue 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 eros blue classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classInsecta
  4. orderLepidoptera
  5. familyLycaenidae
  6. genusPolyommatus
  7. SpeciesPolyommatus eros (Ochsenheimer, 1808)

Synonyms Argus eros, Lycaena albopicta, Lycaena blokeri, Lycaena caerulea, Lycaena caerulescens, Lycaena eros, Lycaena eros caerulescens, Lycaena impuncta, Lycaena kamtshadalis, Lycaena lunulata, Lycaena tithonus, Lycaena unipuncta, Papilio eros, Polyommatus arcuata, Polyommatus elongata, Polyommatus eros caerulescens, Polyommatus eros eros, Polyommatus eros micreros, Polyommatus subtusminuspunctata, Polyommatus subtusradiata, Polyommatus tripuncta

Catalogue of Life

Relatives of the eros blue

Other species in the same genus Polyommatus.

Damon blue

Polyommatus damon

LycaenidaeNo free photo yet

Furry blue

Polyommatus dolus

LycaenidaeNo free photo yet

CompareEros blue vs Common blueEros blue vs Damon blueEros blue vs Meleager's blueEros blue vs Ripart's anomalous blue

Common questions

Answered only where our data holds the answer.

How big is the eros blue?

An adult eros blue has a wingspan of 2.5 cm – 3.4 cm, according to values recorded on Wikidata.

What does the eros blue eat?

Its recorded main food is flowers.

What kind of animal is the eros blue?

The eros blue (Polyommatus eros) belongs to the family Lycaenidae in the order Lepidoptera.

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). Eros blue (Polyommatus eros). Retrieved from https://creaturedata.com/animals/eros-blue

MLA

“Eros blue (Polyommatus eros).” CreatureData, 2026, https://creaturedata.com/animals/eros-blue.

BibTeX
@misc{eros_blue_2026,
  title = {Eros blue (Polyommatus eros)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/eros-blue},
  note = {Data as of 2026-11-11}
}