European corn borer
Ostrinia nubilali s), is a severe pest of maize and has also been reported to attack apple, strawberries, peppers and other plants. It is present in Europe [...] European corn borer attack. Later, frass and holes are easily visible on stems, or on the apical part of maize ears. Larval tunnelling weakens the stalks [...] The eggs are laid in a mass and overlap like tiles on a roof. The average number of eggs per egg mass is 30. The larvae are up to 25 mm long; body pale purplish