Piedmont anomalous blue

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Piedmont anomalous blue
Scientific classification edit
Kingdom: Animalia
Phylum: Euarthropoda
Class: Insecta
Order: Lepidoptera
Family: Lycaenidae
Genus: Polyommatus
P. humedasae
Binomial name
Polyommatus humedasae
(Toso & Balletto, 1976)

The Piedmont anomalous blue (Polyommatus humedasae) is a species of butterfly in the family Lycaenidae. It is endemic to Italy, where it is known from the Aosta Valley in the Italian Alps. It is mainly found on altitudes of 800 to 1,000 meters but at times up to 1,600 meters.

There is one generation per year with adults on wing from July to August, with a peak in the second half of July.

The larvae feed on the flowers of Onobrychis montana and Onobrychis viciifolia. They are attended to by ants.


  1. ^ van Swaay, C.; Wynhoff, I.; Verovnik, R.; Wiemers, M.; López Munguira, M.; Maes, D.; Sasic, M.; Verstrael, T.; Warren, M. & Settele, J. (2010). "Polyommatus humedasae". The IUCN Red List of Threatened Species. IUCN. 2010: e.T17941A7639699. doi:10.2305/IUCN.UK.2010-1.RLTS.T17941A7639699.en. Retrieved 12 December 2017.
  • Gimenez Dixon, M. 1996. Polyommatus humedasae. 2006 IUCN Red List of Threatened Species. Downloaded on 31 July 2007.