A preliminary introduction to the study of entomologyTogether with a chapter on remedies, or methods that can be used in fighting injurious insects; insect enemies of the apple tree and its fruit, and the insect enemies of small grains . Fig. 39.—Cicindela Fig. -LO.—Harpalus calig- Fig. 41.—Exorista leuca-6-guttata. [After inosus. [After Riley.] 7iice. [After Walsh.] Riley.] the opposite side of the ditch from the advancing host dug un-der, will corral the worms for the time being, when they canbe destroyed by crushing, or by covering with hay or straw andsetting fire to it. Poisoning with Lon
A preliminary introduction to the study of entomologyTogether with a chapter on remedies, or methods that can be used in fighting injurious insects; insect enemies of the apple tree and its fruit, and the insect enemies of small grains . Fig. 39.—Cicindela Fig. -LO.—Harpalus calig- Fig. 41.—Exorista leuca-6-guttata. [After inosus. [After Riley.] 7iice. [After Walsh.] Riley.] the opposite side of the ditch from the advancing host dug un-der, will corral the worms for the time being, when they canbe destroyed by crushing, or by covering with hay or straw andsetting fire to it. Poisoning with London purple and Parisgreen has also been resorted to with good results; but as long asother and less dangerous methods do not fail it is advisable notto resort to these. Grass or grain that has been sprayed withthese poisons should never be fed to stock, as there is danger ofpoisoning animals so fed. During ordinary years this, as well as most all other injuriousinsects, is kept in check by its natural enemies; but occasionally,from various cause these of themselves are not sufficient to dothe work. Among the enemies of the Army Worm are to bementioned the insectivorous birds, poultry, reptiles, and whenhard pressed for food
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsects, bookyear1894
