The looper caterpillar has been very abundant on beech and mapletrees. A few specimens of the cottony mapletree scale insect [Pulvinaria innumerabilis Rathv.] have appeared on maples, and another scale (Lecanium ? quercitronis) was found on ironwood leaves that had withered on the branch.[…]252 Mapletree borer, Plagionotus speciosus Say. Principal food plant: sugar mapletrees.[…]1042 Insects injurious to mapletrees: white marked tussock moth and forest tent-caterpillar (pl. 1 in special paper), leopard moth and maple sesian (pl. 2 in special paper), sugar maple borer, mapletree pruner and cottony mapletree scale insect (pl. 3 of special paper).