Noctuidae

73.307 Pearly Underwing Peridroma saucia (Hübner, [1808])

Immigrant / possible transitory resident

Similar species: This moth is extremely variable in the extent and colour of the markings and is named after the mother-of-pearl sheen on the hindwing. Turnip Moth Agrotis segetum is usually smaller (16 to 21mm), has a smaller oval, lacks the long grey crest on the thorax and the males have feathered antennae. Dark Sword-grass Agrotis ipsilon has a black streak through the kidney mark and the males have feathered antennae.

Forewing: 19 to 23mm

Habitats: Mainly coastal areas, but may occur almost anywhere in Britain.

Habits: The moth is attracted to sugar and light.

Foodplant: The nocturnal larva feeds on Dandelion, docks, Shepherds Purse, plantains, Cleavers, Red Clover, Cabbage, Rape, lettuce and other herbaceous plants. It hides just under the soil during the day, which is also where it pupates.

This species is otherwise known as the Variegated Cutworm and around the world from the Americas to Africa to Japan, it is considered one of the most damaging moth pests, as it also feeds on Beets, Potato, Tomato, Apple, Apricot, Avocado, Cherry, Currants, Gooseberry, Cotton, Clover, Barley, Corn, Wheat, Alfalfa, Sugarbeet, Flax, Hops, Raspberry, Strawberry, Grape, Lemon, Orange, Plum, Tobacco and other crops.