. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Pig. 20. Hylastinus ohscurus. Work in clover roots. , entrance hole; X., borings of adult beetle. The crown would separate easily from the root. the side of the root, and continue a cylindric tunnel down the root, sometimes near the surface, sometimes deeper into the tissue. Along the sides of the tunnel shallow niches, egg-niches, are cut, and in these the eggs are deposited, one in each niche. The larvse bore irregularly tlirough the substance of the root, and as tire majority are working ju
. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Pig. 20. Hylastinus ohscurus. Work in clover roots. , entrance hole; X., borings of adult beetle. The crown would separate easily from the root. the side of the root, and continue a cylindric tunnel down the root, sometimes near the surface, sometimes deeper into the tissue. Along the sides of the tunnel shallow niches, egg-niches, are cut, and in these the eggs are deposited, one in each niche. The larvse bore irregularly tlirough the substance of the root, and as tire majority are working just below the crown the tissue is there often largely destroyed. The crown for this reason frequently breaks away from the root when an attempt is made to pull the plant. The first pupae are formed the third week in July, and from this time until the first week in October pupse are always to be found. On October 10th, this season, a very few pupge were obtained, but nearly all had trans-. 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. Dept. of Agriculture. Toronto, The Society
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsectp, bookyear1872
