. Instructions in spraying [microform]. Spraying and dusting in agriculture; Agricultural pests; Pulvérisation et poudrage en agriculture; Ennemis des cultures, Lutte contre les. I thegronnd, Dgh the grais. pon the larvfe beetles known raes in search tted, Glowing lish or copper utifui Bodied d the rest of I Pteroatiehm lack color. rmer than to -^ ( injurious >a8 species I of minute ith a very ^th yellow emus motb mon flies. irvsB. The ur perishes sk. These will Bonn 26 Aphidiua infests plant lice, but it is too small to be readily seen. Macrocmtrw (Delicate Laoe String) is parasitic on cod
. Instructions in spraying [microform]. Spraying and dusting in agriculture; Agricultural pests; Pulvérisation et poudrage en agriculture; Ennemis des cultures, Lutte contre les. I thegronnd, Dgh the grais. pon the larvfe beetles known raes in search tted, Glowing lish or copper utifui Bodied d the rest of I Pteroatiehm lack color. rmer than to -^ ( injurious >a8 species I of minute ith a very ^th yellow emus motb mon flies. irvsB. The ur perishes sk. These will Bonn 26 Aphidiua infests plant lice, but it is too small to be readily seen. Macrocmtrw (Delicate Laoe String) is parasitic on codling moth, etc. (Fig. 16.) Chalcids or Chalois Fubs.—Small and parasitic.^^ One species infests the cabbage butterfly, and others many troublesome larvse. Ybspid^ or Wasps.—These may be placed among the beneficial insects, as they subsist chiefly upon injurious Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ontario. Dept. of Agriculture. [Toronto? : Ontario Dept. of Agriculture]
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectsprayinganddustingin
