Host plants:
The larvae feed on Asteraceae, mainly Lactuca species, Prenanthes purpurea, Crepis and Mycelis muralis.
Habitat:
Hecatera bicolorata inhabits forest edges, extensive meadows of all kinds, quarries, clearings and similar habitats. Usually it settles in more mesophilic areas. Occasionally, larvae are also found in gardens.
Life cycle:
The moth flies in one or two generations from May to August. The pupa overwinters. The caterpillars can be found from June to September. They also sit open on the host plant during the day.
Endangerment: regionally endangered or decreasing
Endangerment factors:
Hecatera bicolorata is in decline due to the loss of extensive habitats.
Remarks:
The distribution ranges from Northern Spain through Central Europe to eastern Asia.