Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners; . ften destroying young orchards orseparate trees, is the apple bark-louse, while stored applesare destroyed by the maggots of flies (p. 126). The Plum-weevil (Conotraclielus nenuphar Herbst). — This weevil has well-nighexterminated the plum inthe Eastern States, and itsattacks far outweigh in im-portance those of all otherplum insects. It resemblesa dried bud; when the fruitis set it stings the greenplums, making with its beaka curved incision in which asingle egg is deposited. Thepresence of the grub
Entomology for beginners; for the use of young folks, fruitgrowers, farmers, and gardeners; . ften destroying young orchards orseparate trees, is the apple bark-louse, while stored applesare destroyed by the maggots of flies (p. 126). The Plum-weevil (Conotraclielus nenuphar Herbst). — This weevil has well-nighexterminated the plum inthe Eastern States, and itsattacks far outweigh in im-portance those of all otherplum insects. It resemblesa dried bud; when the fruitis set it stings the greenplums, making with its beaka curved incision in which asingle egg is deposited. Thepresence of the grub causesthe fruit to prematurely dropwith the larva within. The latter, maturing, leaves theplum, burrows into the ground, and during the last ofsummer becomes a beetle. REMEDIES. — As a remedy the trees should be frequently shakenor jarred, and the weevils, falling into a sheet placed beneath thetree, should be collected and burnt. Forbes finds that about halfthe damage done by weevils may be prevented by spraying the treeswith Paris green early in the season, while the fruit is size, puncturing a plum. INSECTS INJURIOUS TO AGRICULTURE. 215 The Peach-tree Borer (Sannina exitiosa Say).—Thisborer outranks all other insects as a destroyer of peach-trees. It lays its eggs in the bark near the ground, andthe worm on hatching attacks the living trees, boring intothe bark and sap-wood of the roots, or trunk, causing the
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