62.038 Acrobasis consociella Copyright Martin Evans
 62.038 Acrobasis consociella and Acrobasis repandana Copyright Martin Evans
 Distribution map Copyright Martin Evans
 Life stages table Copyright Martin Evans  62.038 Acrobasis consociella Copyright Martin Evans

Pyralidae

62.038 Grey Oak Knot-horn Acrobasis consociella (Hübner, [1813])

Local

Similar species: Acrobasis repandana has an orange basal area to the forewings and generally brighter markings.

Forewing: 9 to 10mm

Habitats: Oak woodland, parkland, scrub and gardens.

Habits: The moth flies from dusk and comes to light and sugar.

Foodplant: The larva overwinters while small. In the spring it feeds gregariously in a spun mass of leaves on Pedunculate Oak, other oaks and sometimes Hornbeam. It pupates in a cocoon attached to a leaf in the spinning.