Celastrina argiolus (Linnaeus, 1758)

holly blue

mainly on deciduous trees and shrubs

Greece, Lefkas, Katouna, 30.v.2021 © Laurens van der Linde

parasite

Larvae freely on the leaves.

host plants

broadly polyphagous

Albizia julibrissin; Aralia elata; Arbutus unedo; Astragalus glycyphyllos; Berberis; Buddleja davidii; Buxus sempervirens; Calluna vulgaris; Caragana frutex; Ceanothus; Colutea arborescens; Cornus sanguinea; Cytisus scoparius; Dorycnium pentaphyllum subsp. germanicum; Erica tetralix; Euonymus europaeus; Filipendula ulmaria; Frangula alnus; Galega officinalis; Genista hispanica, pilosa, tinctoria; Hedera helix; Humulus lupulus; Hypericum perforatum; Ilex aquifolium; Lantana camara; Lespedeza; Ligustrum vulgare; Lupinus; Lythrum salicaria; Malus domestica; Medicago sativa; Melilotus albus, officinalis; Parthenocissus quinquefolia; Pistacia lentiscus; Prunus laurocerasus, lusitanica, salicina; Pyracantha coccinea; Quercus aliena; Reynoutria japonica; Rhamnus alaternus, cathartica; Ribes nigrum, rubrum, uva-crispa; Robinia pseudoacacia; Rosa glauca; Rubus fruticosus, idaeus; Salix cinerea; Securigera varia; Sophora flavescens; Spartium junceum; Staphylea bumalda; Styphnolobium japonicum; Symphoricarpos albus; Ulex europaeus; Vaccinium myrtillus, uliginosum; Viburnum lantana; Vicia cracca, sativa; Wisteria floribunda, sinensis.

distribution within Europe

PESI (2021).

ei, larva, pupa

see Lepiforum, Pyrgus.

references

Aistleitner & Aistleitner (1996a) Baquero, Moraza, Ariño & Jordana (2011a), Dupont, Luquet, Demerges & Drouet (2013a), Huertas Dionisio (2007a), Lafranchis (2020b), Lepiforum (2021), pyrgus.de (2023), Vegliante & Zilli (2007a), Wirooks & Theissen (1999a).