The injurious species of hawk moths

1646. The injurious species of hawk moths are few, and belong to a particular tribe (Sesiadï¾µ), the larvï¾µ of which feed upon the interior pith of trees and shrubs. In this manner, the currant clear-wing (Sesia tipuliformis F.) perforates the branches of that tree, and the diminished size of the fruit shows where the enemy has been at work: two or three other kindred species injure trees in the same manner. The caterpillars of the death's-head moth (Sphinx A'tropos) feed upon potatoes.