# Long-tailed blue (*Lampides boeticus*)

Canonical page: https://creaturedata.com/animals/long-tailed-blue  
Data as of: 2026-11-11

The long-tailed blue (Lampides boeticus) is an insect in the butterflies and moths group, belonging to the family Lycaenidae and the subfamily Polyommatinae. Its wingspan is 2.8 cm as a representative value, with sources reporting from 2 to 3.6 cm. The IUCN Red List assesses the long-tailed blue globally as Least Concern (LC), which is not a threatened category. Other English names for this species include Pea blue, Bean butterfly, Long-tailed pea-blue and Long-tailed pea blue.

## Quick facts

| Fact | Value |
|---|---|
| Weight | Not recorded |
| Length | Not recorded |
| Wingspan | 2 cm – 3.6 cm |
| Lifespan | Not recorded |
| Diet | Nectarivore |
| Main food | flowers |
| Habitat | grassland, shrubland |
| Young per litter or clutch | Not recorded |
| Active | By day (diurnal) |
| On the wing | All year |
| Generations a year | Several |
| Larval food plants | Fabaceae family |
| Conservation status | Least Concern (IUCN) |
| Countries on record | Not recorded |

## Classification

- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Lepidoptera
- family: Lycaenidae
- genus: Lampides
- species: *Lampides boeticus* (Linnaeus, 1767)

Synonyms: *Lampides armeniensis*, *Lampides caerulea*, *Lampides caeruleafasciata*, *Lampides caeruleamarginata*, *Lampides clara*, *Lampides clarafasciata*, *Lampides claramarginata*, *Lampides fusca*, *Lampides fuscafasciata*, *Lampides fuscomarginata*, *Lampides grisescens*, *Lampides kawachensis*, *Lampides leguminis*, *Lampides major*, *Lampides michaeli*, *Lampides minor*, *Lampides typicafasciata*, *Lampides typicamarginata*, *Lycaena albovittata*, *Lycaena ecaudata*, *Lycaena minor*, *Papilio boeticus*, *Papilio damoetes*

## Common questions

### What kind of animal is the long-tailed blue?

The long-tailed blue is an insect in the butterflies and moths group. It belongs to the order Lepidoptera and the family Lycaenidae.

### What is the wingspan of the long-tailed blue?

The long-tailed blue has a representative wingspan of 2.8 cm. Sources report values from 2 to 3.6 cm.

### Is the long-tailed blue endangered?

No. The IUCN Red List assesses it globally as Least Concern (LC), which is not a threatened category.

### What is the scientific name of the long-tailed blue?

Its scientific name is Lampides boeticus, placed in the genus Lampides.

### Who named Lampides boeticus?

The species name is credited as (Linnaeus, 1767).

### What other names does the long-tailed blue have?

It is also called Pea blue, Bean butterfly, Long-tailed pea-blue and Long-tailed pea blue.

## Sources

- [Catalogue of Life eXtended Release](https://www.checklistbank.org/dataset/316691), 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](https://commons.wikimedia.org), 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](https://doi.org/10.6084/m9.figshare.19874602.v1), 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](https://doi.org/10.5281/zenodo.15063844), 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](https://www.wikidata.org), CC0 1.0, 2026-11-11. Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
- [Wikipedia (English)](https://en.wikipedia.org), 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).

Cite as: Long-tailed blue (Lampides boeticus). Retrieved from https://creaturedata.com/animals/long-tailed-blue