 The females do not fly much, and may be seen, during most of the day, resting on the leaves ; and, when touched, they draw up their legs, and fall to the ground. The males are more active, fly from one rose-bush to another, and hover around their sluggish...  Parsons on the Rose: A Treatise on the Propagation, Culture, and History of ... - Página 144por Samuel Bowne Parsons - 1869 - 215 páginasVisualização integral - Acerca deste livro
 | Thaddeus William Harris, Massachusetts. Zoological and Botanical Survey - 1841 - 484 páginas
...long, that of the female one fifth of an inch or more, and the wings expand nearly or quite two fifths of an inch. These saw-flies come out of the ground,...but do not usually appear in considerable numbers till the twentieth of the same month. How long they are in coming to maturity, I have not particularly... | |
 | Samuel Bowne Parsons - 1847 - 302 páginas
...they draw up their legs, and fall to the ground. The males are more active, fly from one rose-hush to another, and hover around their sluggish partners....depositing in each incision thus made, a single egg. The youug begin to hatch in ten days or a fortnight after the eggs are laid. They may sometimes be found... | |
 | Samuel Bowne Parsons - 1847 - 300 páginas
...eggs, t'urn a little on one side, unsheathe their saws, and thrust them obliquely into the skiifof the leaf, depositing in each incision thus made, a...eggs are laid. They may sometimes be found on the lcaves as early as the first of June, but do not usually appear in considerable numbers till the twentieth... | |
 | Joseph Breck - 1851 - 346 páginas
...long, that of the female one fifth of an inch or more, and the wings expand nearly or quite two fifths of an inch. These Saw-flies come out of the ground,...but do not usually appear in considerable numbers till the twentieth of the same month. How long they are in coming to maturity, I have not particularly... | |
 | Thaddeus William Harris - 1852 - 536 páginas
...long, that of the female one fifth of an inch or more, and the wings expand nearly or quite two fifths of an inch. These saw-flies come out of the ground,...but do not usually appear in considerable numbers till the twentieth of the same month. How long they are in coming to maturity, I have not particularly... | |
 | Samuel Bowne Parsons - 1860 - 334 páginas
...are brownish gray or dirty white, except the thighs which are almost entirely black. The hind-legs are black, with whitish knees. The wings are smoky,...but do not usually appear in considerable numbers till the twentieth of the same month. How long they are in coming to maturity, I have not particularly... | |
 | Thaddeus William Harris - 1862 - 660 páginas
...skin of the leaf, depositing, M 246 in each incision thus made, a single egg. The young (Fig. 246) begin to hatch in ten days or a fortnight after the...but do not usually appear in considerable numbers till the 20th of the same month. How long they are in coming to maturity, I have not particularly observed;... | |
 | Francis Parkman - 1866 - 252 páginas
...the leaves ; and, when touched, they draw up their legs, and fall to the ground. The males are now active, fly from one rose-bush to another, and hover...may sometimes be found on the leaves as early as the 1st of June, but do not usually appear in considerable numbers till the 20th of the same month. How... | |
 | Joseph Breck - 1886 - 492 páginas
...their sluggish partners. The latter, when about to lay their eggs, turn a little on one side, unsheath their saws, and thrust them obliquely into the skin...but do not usually appear in considerable numbers till the twentieth of the same month. How long they are in coming to maturity, I have not particularly... | |
 | Columbus Horticultural Society, Columbus, Ohio - 1891 - 366 páginas
...pair and lay their eggs. The females when about to lay their eggs turn a little to one side, unsheath their saws, and thrust them obliquely into the skin...in ten days or a fortnight after the eggs are laid. The period of their existence in the caterpillar state probably does not exceed three weeks. They have... | |
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