[2] An unidentified specimen was caught on 15 April 2007 by Tony James at a regular garden light trap, approximately, near Tregonning Hill in the parish of Breage.

[3] The female laid sixty eggs, some individually but most in groups of fourteen to twenty along the edge of tissue paper.

[2] The larvae feed on a wide range of trees and shrubs and have caused serious defoliation in exotic plantations in New Zealand on two occasions.

The larvae feed on a wide range of plants in New Zealand including southern beech (Nothofagus spp.

Some of the Cornish larvae initially fed on Leyland cypress (Cupressus × leylandii) and were moved to Scots pine (Pinus sylvestris) in the second instar when they became unhealthy.