A handbook of the destructive insects of Victoria : with notes on the methods to be adopted to check and extirpate them . y them at once, and constant hosing,especially where plants are under glass, is of great benefftas a preventive against the Eed Spider, Thrips, &c. Inlarge orchards the use of sulphur steam may yet provethe best remedy. For Crotons, Cordylines, and manyother plants, dipping in a solution of tobacco water is anold and very effective remedy. Luckily for growers, this pest is not difficult to destroy,but to do this the treatment should be carried out withboth care and promptit
A handbook of the destructive insects of Victoria : with notes on the methods to be adopted to check and extirpate them . y them at once, and constant hosing,especially where plants are under glass, is of great benefftas a preventive against the Eed Spider, Thrips, &c. Inlarge orchards the use of sulphur steam may yet provethe best remedy. For Crotons, Cordylines, and manyother plants, dipping in a solution of tobacco water is anold and very effective remedy. Luckily for growers, this pest is not difficult to destroy,but to do this the treatment should be carried out withboth care and promptitude. 98 DESTRUCTIVE INSECTS OF VICTOEIA : PLATE XI. Pear and Cherry-Slug ^ (Selandria cerasi).i 1. Branch of pear tree showing young larva?, also upper surface of leaves destroyed. (From nature.) 2. Larva?, slightly magnified. (From nature.) 2a. Larva ascending stem of tree. Magnified. (From nature.) 3. Perfect insect. Natural size. (From nature.) 4. Perfect insect.^ Magnified. (From nature.) 5. Section of pear leaf, with supposed eggs. (From nature.) 6. Section of edge of leaf with supposed eggs. (From nature.). CBninebankdel. French. .21 Troedel & C° Lith THE PEAR AND CHERRY SLUG. 9^ CHAPTER XVI. THE PEAR AND CHERRY SLUG. ( Selandria cerasi.) Order : Hymenoptera. Family : TenthredinidcB. This most destructive insect, wlien in the larval state,is a small dark-green slimy caterpillar, infesting the leavesof both pear and cherry trees, which they injure verymuch by gnawing the epidermis off the upper portion ofthe leaves, leaving the skeleton and the lower portion ofthe leaves untouched. Trees, according to Harris, attacked by this pest areforced to throw out new leaves, during the heat of thesummer, at the end of the twigs and branches that stillremain alive. This unseasonable foliage, which shouldnot have appeared until the next spring, exhausts thevigour of the trees and cuts off the prospect of this is not the onlv damao;e for which the PearSlug is
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Keywords: ., bookauthorvictoria, bookcentury1800, bookdecade1890, bookyear1891
