Thetidia plusiaria Boisduval, 1840

Host plants:
The larvae especially feed on Santolina chamaecyparissus, but are also said to live on Artemisia sp. I recorded moths in steppes with Artemisia herba-alba, but without Santolina near Zaragoza.

Habitat:
Thetidia plusiaria inhabits open, dry and warm places such as extensively grazed mountain slopes.

Life cycle:
The moths occur according to literature mostly in two generations in june and July and again in September. I observed many fresh specimens in eastern Spain (Teruel and Castell�n) in 1000 and 1700m asl in late July 2013 and think that there might be only one major generation in these habitats. I recorded moths near Zaragoza (300m) already in late May 2018.

The adults most often rest within the shrubs of their host plant.

Remarks:
Thetidia plusiaria occurs in NW-Africa and Spain, locally also in the French east Pyrenees.