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Updated: April 30, 2025
The bottom of the well, better wrought than the rest and ceiled with the aid of an adhesive fluid which holds the fine sawdust of the stopper in place, is a thing of the present; it is the nymphosis-chamber. A second Buprestis, Chrysobothrys chrysostigma, likewise an exploiter of the cherry-tree, between the wood and the bark, although more vigorous, expends less labour on its preparations.
The gallery is masked on the outside by a remnant of bark or wood, hardly a millimetre thick, and widens, not far from the surface, into a nymphosis-chamber, which is divided from the burrow by a mass of packed sawdust. To continue the subject would entail an excess of monotonous repetition.
This elbow changing the direction occurs whenever the larva ascends from the depths; it is very short when the nymphosis-chamber is next to the surface, but continues for some length when the chamber is well inside the trunk. In this case, the path traced by the grub has so regular a curve that you feel inclined to subject the work to geometrical measurement.
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