 | Missouri. State Board of Agriculture - 1869 - 786 páginas
...different angles. It then stuffs the upper end of the passage with sawdust-like powder, and the lower part with curly fibres of wood, after which it rests from...finishes its gnawing work during the commencement of the 3d winter, but remains motionless in the larval state till the following spring when it casts off its... | |
 | Daniel R. Shafer - 1876 - 638 páginas
...different angles. It then stuffs the upper end of the passage with sawdust-like powder, and the lower part with curly fibres of wood, after which it rests from...winter, but remains motionless in the larval state till the following spring, when it casts off its skin once more and becomes a pupa. After resting three... | |
 | Kansas State Horticultural Society - 1879 - 370 páginas
...stuffs the upper end of the passage with sawdust-like powder, and the lower part with curly fibers of wood, after which it rests from its labors. It...winter, but remains motionless in the larval state till the following spring, when it casts its skin once more, and becomes a pupa. After resting three... | |
 | Kansas State Horticultural Society - 1879 - 370 páginas
...stuffs the upper end of the passage with sawdust-like powder, and the lower part with curly fibers of wood, after which it rests from its labors. It...winter, but remains motionless in the -larval state till the following spring, when it casts its skin once more, and becomes a pupa. After resting three... | |
 | Kansas State Horticultural Society - 1880 - 496 páginas
...but remains motionless in the larval state till the following spring, when it casts its skin oncee more, and becomes a pupa. After resting three weeks...it becomes a beetle, with all its members and parts at first soft and weak. These gradually harden, and in a fortnight more it cuts its way through its... | |
 | Mary Treat - 1882 - 298 páginas
...different angles. It then stuffs the upper end of the passage with sawdustlike powder, and the lower part with curly fibres of wood, after which it rests from...pupa. After resting three weeks in the pupa state, it appears as a beetle, with all its members and parts at first soft and weak. These gradually harden,... | |
 | Kansas State Horticultural Society - 1889 - 518 páginas
...stuffs the upper end of the passage with sawdust-like powder, and the lower part with curly fibers of wood, after which it rests from its labors. It...winter, but remains motionless in the larval state till the following spring, when it casts its skin once more, and becomes a pupa. After resting three... | |
 | Kansas State Horticultural Society - 1889 - 520 páginas
...the third winter, but remains motionless in the larval state till the following spring, when it oasts its skin once more, and becomes a pupa. After resting...it becomes a beetle, with all its members and parts at first soft and weak. These gradually harden, and in a fortnight more it cuts its way through its... | |
 | Kansas State Horticultural Society - 1889 - 522 páginas
...passage with sawdust-like powder, and the lower part with curly fibers of wood, after which itrests from its labors. It thus finishes its gnawing work...winter, but remains motionless in the larval state till the following spring, when it casts its skin once more, and becomes a pupa. After resting three... | |
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It then stuffs the upper end of the passage with sawdustlike powder, and the lower part with curly fibres of wood, after which it rests from its labors. It thus finishes its gnawing work during the commencement of the third winter, but remains motionless... 