 | 1883 - 730 páginas
...surface of the leaves, or between the stalk and sheath where loose, and, as soon as the footless larva or maggot hatches, it makes its way down the leaf...young winter wheat is at the crown of the root. Here it is stated to fasten itself lengthwise to the tender stalk, and to move no more, but remain fixed... | |
 | 1847 - 758 páginas
...autumnal wheat, is at the crown of the root (fig. A. §). " Here it fastens, lengthwise, (fig. n and o,) and head downwards, to the tender stalk, and lives...the larva increases in size, it gradually becomes embedded in the substance of the stalk. After taking its station, the larva moves no more, gradually... | |
 | New York State Agricultural Society - 1862 - 916 páginas
...words, to the base of the sheath, which in the young wheat in autumn is at the crown of the root. " Here it fastens, lengthwise, and head downwards, to the...the larva increases in size, it gradually becomes embedded in the Bubstance of the stalk. After taking its station, the larva moves no more, gradually... | |
 | Entomological Society of Ontario - 1872 - 416 páginas
...leaf, enters the sheath, and proceeds along the stalk usually as far as Uio next joint below, Here it fastens lengthwise, and head downwards, to the...lives upon the sap. It does not gnaw the stalk, nor docs it enter the central cavity thereof ; but as the larva increases in size it gradually becomes... | |
 | Ontario. Legislative Assembly - 1878 - 636 páginas
...leaf, enters the sheath, and proceeds along the stalk, usually as far as the next joint below. Here it fastens lengthwise, and head downwards, to the...the larva increases in size, it gradually becomes embedded in the substance of the stalk. After taking its station the larva moves no more, gradually... | |
 | 1877 - 326 páginas
...second, rarely the third, joints.'' (Cook.) Habits of the larva. — As soon as the footless larva or maggot hatches, it makes its way down the leaf...winter wheat, is at the crown of the root. Here [says Hen-irk] it fastens, lengthwise, and head downwards, to tiie londer stalk, and lives upon the sap.... | |
 | Wisconsin State Agricultural Society - 1881 - 512 páginas
...three weeks, according to the weather, and the larva or maggot (Fig. 24 — 3, 5) makes its way down to the base of the sheath, which in the young winter wheat is at the crown of the root. Here it fastens lengthwise and head downwards to the tender stalk, and lives upon the sap. It does not gnaw... | |
 | Wisconsin State Horticultural Society - 1881 - 362 páginas
...or three weeks, according to the weather, and the larva or maggot (Fig. 24, 3, 5) makes its way down to the base of the sheath, which in the young winter wheat is at the crown of the root. Here it fastens lengthwi-e and heal downwards to the tender stalk, and lives upon the (•ap. It does not... | |
 | Wisconsin State Horticultural Society - 1881 - 364 páginas
...weeks, according to the weather, and the larva or maggot (Fig. 24, 3, 5) makes its way down to the bise of the sheath, which in the young winter wheat is at the crown of the root. Here it fastens lengthwi-e and heal downwards to the tender stalk, and lives upon the s-ap. It does not... | |
 | United States Entomological Commission - 1883 - 612 páginas
...or second, rarely the third, joints." (Cook.) Habits of the larva. — As soon as the footless larva or maggot hatches, it makes its way down the leaf...stalk, nor does it enter the central cavity thereof; bnt, as the larva increases in size, it gradually becomes imbedded iu the substance of the stalk. After... | |
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it fastens, lengthwise and head downwards, to the tender stalk, and lives upon the sap. It does not gnaw the, stalk, nor does it enter the central cavity thereof ; but as the larva increases in size, it gradually becomes imbedded in the substance of... 
