. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 810 INSECTS turists are continually importing plants from the ends of the earth, and oftentimes the plants are aooompamed by one or more of their Insect pests. Some comparatively recent introductions of this kind are the sinuate pear- borer, the pear midse, the gypsy moth, the brown-tail. 1155. Hemipterous inse
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 810 INSECTS turists are continually importing plants from the ends of the earth, and oftentimes the plants are aooompamed by one or more of their Insect pests. Some comparatively recent introductions of this kind are the sinuate pear- borer, the pear midse, the gypsy moth, the brown-tail. 1155. Hemipterous insect. Known to entomologists as a true bug. moth, the horn-fly and the elm leaf-beetle; sucli standard pests as the Hessian fly, the cabbage butterfly, the cur- rant-worm, the codling-moth (Pig. 11:17) camein many years ago. Of the TJ Insects which rank as first-class pests, each of them almost annually causing a loss of hundreds of thousands of dollars, over one half have been introduced from foreign countries, mostly from Europe. It is a significant fact that usually these im- ported Insects become much more serious pests here than in their native home; this is doubtless largely due to the absence of their native enemies, to more favorable cli- matic conditions here,and to a less intense system of agri- culture in this country. JMost of our worst Insect pests of the fruits, of the garden crops, of the granary, of the household, of the greenhouse, and practically all of our most dangerous scale Insects, are of foreign origin. Man will continue to encroach on and disturb nature's prim- itive domain, and commercial operations will never cease, nor is there much hope of ever effectually quarantining our shores against these little foes; hence there seems to be no practicable way to stop this increase of the In- sect enemies of the horticulturist. The one who is the best fitted by nature, and who best fits hnnself with a knowledge of these pests and how to fight them, will usually b
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