. Annual report - Entomological Society of Ontario. Entomological Society of Ontario; Insect pests; Insects. Fig. 80. associated with this is sometimes found another species, Holophora arctata, Riley, of a very curious form, reminding one of a mussel. In (Fig. 81), this minute friend is repre- sented highly magnified in the different forms assumed by it. These lice are also preyed on by the larvae of a Scymnus, a small dull coloured lady bird; also by several other species of the lady-bird family, and by the larvae of lace-wing flies. To guard against its introduction into new vineyards, the r
. Annual report - Entomological Society of Ontario. Entomological Society of Ontario; Insect pests; Insects. Fig. 80. associated with this is sometimes found another species, Holophora arctata, Riley, of a very curious form, reminding one of a mussel. In (Fig. 81), this minute friend is repre- sented highly magnified in the different forms assumed by it. These lice are also preyed on by the larvae of a Scymnus, a small dull coloured lady bird; also by several other species of the lady-bird family, and by the larvae of lace-wing flies. To guard against its introduction into new vineyards, the roots of young vines should be carefully examinee1. Fig. 81. before planting, and if knots and lice are found upon them, these latter may be destroyed by immersing the roots in hot soap suds or tobacco water. Our native American vines are found to withstand the attacks of this insect much better than do those of European origin, hence by grafting the more susceptible varieties. 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 Entomological Society of Ontario; Ontario. Department of Agriculture. Toronto, The Society
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsects, bookyear1872
