. Annals of applied biology. Biology, Economic; Biochemistry. Fig. 22. Lower nine inches of 6-7 year old poplar stems showing egg-incisions and bur- rowings of young larvae (dark patches in figure). Two eggs and the young larval burrowings are here exposed by the tearing away of the bast and cambium layers. older and the bast layers thicker, the egg is placed between the tissues of the bast. The spot selected by the female for egg-laying is always a smooth portion of the stem. On no occasion have I found her laying eggs in cracks or lenticels. I am inclined to believe that the statement in con
. Annals of applied biology. Biology, Economic; Biochemistry. Fig. 22. Lower nine inches of 6-7 year old poplar stems showing egg-incisions and bur- rowings of young larvae (dark patches in figure). Two eggs and the young larval burrowings are here exposed by the tearing away of the bast and cambium layers. older and the bast layers thicker, the egg is placed between the tissues of the bast. The spot selected by the female for egg-laying is always a smooth portion of the stem. On no occasion have I found her laying eggs in cracks or lenticels. I am inclined to believe that the statement in continental works that eggs are laid in cracks, is due to the fact that the actual egg-laying of the beetles has not been observed, the eggs having only been noticed when the egg-incisions bad begun to gape, viz. in. 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 Association of Applied Biologists; Association of Economic Biologists. [Wellesbourne, Warwick, etc. ] Association of Applied Biologists [etc. ]
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbiochem, bookyear1921
