Phengaris nausithous (Bergsträsser, 1779)

dusky large blue

on Sanguisorba

parasite

Larvae initially freely on the inflorescence; later social parasites in ants nests.

host plants

Rosaceae, monophagous

Sanguisorba officinalis.

distribution within Europe

PESI (2021).

egg, larva, pupa

see Lepiforum, Pyrgus.

synonyms

Maculinea nausithous.

references

Aistleitner & Aistleitner (1996a), Bálint (1993b), Duffey (1993c), Dupont, Luquet, Demerges & Drouet (2013a), Lepiforum (2023), pyrgus.de (2023), Šumpich (2017a).