 | 1880 - Liczba stron: 316
...the stalks to swell and the plant to turn yellow and die. By the end of November, or from 30 to 40 days after the wheat is sown, they assume the " flaxseed...remain in the wheat until during warm weather in April, when the larva rapidly transforms into the pupa within its flaxseed-skin, the fly emerging from the... | |
 | 1877 - Liczba stron: 322
...the leaves and the stem near the roots, causing the stalk to swell and the plant to turn yellow and die. By the end of November, or from thirty to forty days alter the wheat is sown, they assume the "flaxseed" state, and may, on removing the lower leaves, be... | |
 | Wisconsin State Agricultural Society - 1881 - Liczba stron: 512
...gradually becomes imbedded in the substance of it, causing it to swell and the plant to turn yellow and die. By the end of November, or from thirty to forty...after the wheat is sown, they assume the " flaxseed " (Fig. 24 — 4 and 6) state, and may, on removing the lower leaves, be found as little brown, oval,... | |
 | Wisconsin State Horticultural Society - 1881 - Liczba stron: 364
...gradually becomes imbedded in the substance of it, causing it to swell and the plant to turn yellow and die. By the end of November, or from thirty to forty days after the wheat is sown, they assume the " flax-eed " (Fig. 24-4 and 6) state, and may, on removing the lower leaves, be found as little brown,... | |
 | Wisconsin State Horticultural Society - 1881 - Liczba stron: 362
...gradually becomes imbedded in the substance of it, causing it to swell and the plant to turn yellow and die. By the end of November, or from thirty to forty days after the wheat is sown, they assume the " flax^eed " (Fig. 24-4 and 6) state, and may, on removing the lower leaves, be found as little brown,... | |
 | Mary Treat - 1882 - Liczba stron: 298
...the leaves and the stem, near the roots, causing the stalks to swell and the plant to turn yellow and die. By the end of November, or from thirty to forty...remain in the wheat until during warm weather in April, when the ' larva rapidly transforms into the pupa within its flaxseed-skin, the fly emerging from the... | |
 | Mary Treat - 1882 - Liczba stron: 300
...roots, causing the stalks to swell and the plant to and die. By the end of November, or from thirty forty days after the wheat is sown, they assume the...remain in the wheat until during warm weather in April, when the ' larva rapidly transforms into the pupa within its flaxseed-skin, the fly emerging from the... | |
 | United States Entomological Commission - 1883 - Liczba stron: 614
...the leaves and the stem near the roots, causing the stalk to swell and the plant to turn yellow and die. By the end of November, or from thirty to forty...within its flaxseed skin, the fly emerging from the flaxseud case about the end of April. The eggs laid by this first or spring brood of flies soon hatch... | |
 | Illinois State Entomologist - 1885 - Liczba stron: 548
...the leaves and the stem near the roots, causing the stock to swell and the plant to turn yellow and die. By the end of November, or from thirty to forty...leaves, be found as little brown, oval, cylindrical, smootli bodies; a little smaller than grains of rice. They remain in the wheat until during warm weather;... | |
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November, or from thirty to forty days after the wheat is sown, they assume the " flaxseed " state, and may, on removing the lower leaves, be found as little brown, oval, cylindrical, smooth bodies, a little smaller than grains of rice. They remain in... 