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. 95.—Lace-wing: a, eggs on leaf; h, larva; c, d, mature insect.[After Riley.] Other species of Aphididse that have been taken upon smallgrain are the following as nearly as they have been determinedand reported: SiPHONOPHORA GRANARIA Kirby. Aphis mali ———sp. TOXOPTERA GRAMINUM Rond. Callipterus——sp. TOXABES sp. S

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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. 95.—Lace-wing: a, eggs on leaf; h, larva; c, d, mature insect.[After Riley.] Other species of Aphididse that have been taken upon smallgrain are the following as nearly as they have been determinedand reported: SiPHONOPHORA GRANARIA Kirby. Aphis mali ———sp. TOXOPTERA GRAMINUM Rond. Callipterus——sp. TOXABES sp. SCHIZONEURA Sp.

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsects, bookyear1894