They are today considered to be the most important insect defoliator of potatoes. It is known mainly as a defoliator of sandalwood ("Santalum album") in India. The caterpillar is a serious defoliator of many plants across the world. It is considered a pest, since it is a major defoliator of deciduous trees. "Hyblaea puera", commonly known as the teak defoliator, is a moth native to southeast Asia. Another serious defoliator is the larch casebearer "Coleophora laricella". This moth is an important defoliator on broad-leaf and conifer trees. Eligma narcissus, the ailanthus defoliator, is a moth in the family Nolidae. It is the most destructive defoliator of coniferous forests in western North America. Hyblaea puera, the teak defoliator, is a moth native to south-east Asia. Glyphodes negatalis, the karanj defoliator, is a species of moth of the family Crambidae. The teak defoliator is present year round in teak plantations, but in varying population densities.