Idaea bilinearia - Lot Moths and Butterflies - species in Las Descargues, the Lot, France
drawing of a moth



Las Descargues, 4 September 2007
Idaea bilinearia Adult


© Robin Howard

Idaea bilinearia (Fuchs, 1889)

Least Riband Wave
Acidalie ombrée

Wingspan: 22-25mm

A univoltine species on the wing from July to September when it is an infrequent visitor to the lights of Las Descargues but more common on the Causse. A species of dry, grassland habitats, wasteland and fallow pasture.

Larvae feed on various low-growing herbaceous plants.