The large yellow underwing moth, Noctua pronuba (L.), was first recorded as occurring in Canada by Wright and Neil (1983), when a single specimen was taken at a porch light in Halifax, Nova Scotia, 7 July 1979. Since then the species has become prevalent throughout eastern Nova Scotia. In Newfoundland, this moth was first taken at Kilbride in 1984 in a light trap and in subsequent years it was caught in light traps at Goulds and Mt. Pearl (Table 1). A total of 17 moths have been taken in light traps to date, and all but one were males. In the Palearctic, N. pronuba (L.) has been reported from North Africa through western Europe to Finland and Iceland (Wright and Neil 1983).