Host plants:
The larvae feed on Amaranthaceae (= Chenopodiaceae) like Atriplex, Salsola, Suaeda etc.
Habitat:
Anarta stigmosa inhabits coastal areas that are temporarily flooded and bear large stands of halophilous plants. These habitats dry out in summer at least partially and thus provide optimal larval habitats.
Life cycle:
The moths occur in two or three generations between late April and early October. The larvae develop from May to early November. I recorded a mature larva near Thessaloniki together mith many larvae of Lacanobia blenna, L. oleracea and Anarta trifolii in late October 2023. The larvae are similar to those of A. trifolii, but differ in having prominent light spots around the setal areas. Pupation occurs in a very hard cocoon (much harder than in A. trifolii) in the soil. Most probably the pupa (which is redbrown in comparison to the yellow-brown pupa of A. trifolii) is thus able to survive winter flooding.
Remarks:
Anarta stigmosa occurs from southeastern Europe to Cina and Mongolia. In Europe it is found in parts of the Italian coasts, in the Adriatic from Slovenia soutwards, along the Black Sea coast (Bulgaria, Romania, Ukraine) and in Greece.