Host plants:
The caterpillar feeds on flowers of the families Apiaceae (e.g. Angelica sylvestris) and Asteraceae (Eupatorium, Senecio) as well as Sambucus nigra and some other species.
Habitat:
Eupithecia tripunctaria inhabits forest edges, forb communities, clearcuttings and other similar habitats.
Life cycle:
Eupithecia tripunctaria occurs in one to usually two generations from late April or May to September. The caterpillars are observed from late May, but much more frequently in August and early September. The pupa overwinters.
Remarks:
The distribution extends across Europe (in the south locally absent), temperate Asia (including Japan) and North America (Holarctic type of distribution).