Every year numerous groups Apple ermine (Yponomeuta malinellus) [1] in the apple tree (Malus sp.) munching away on the leafs, but never in such amounts that the tree suffers.

Literature
1 Nederlands SoortenregisterYponomeuta malinellus (Apple ermine)
Malus sp. (Apple)Every year numerous groups Apple ermine (Yponomeuta malinellus) [1] in the apple tree (Malus sp.) munching away on the leafs, but never in such amounts that the tree suffers.
Literature
1 Nederlands Soortenregister