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Libros Libros 1 - 7 de 7 sobre ... the middle of the elevation of the second and third segments. Some of the worms...
" ... the middle of the elevation of the second and third segments. Some of the worms enter their pupa state the last of autumn, and others not till the following spring. Hence in examining the fallen limbs in the winter, a larva may be found in one, a... "
Transactions of the New-York State Agricultural Society for the Year ... - Página 801
por New York State Agricultural Society - 1859
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The Canadian Entomologist, Volúmenes16-18

1884
...account by Dr. Fitch, of E. villosum, Fabr., I find he says that " some of the worms enter their pupal state the last of autumn, and others not till the...winter, a larva may be found in one, a pupa in another." Now, though I have found the pupa of E. parallelum, Nem, very early in the fall (i8th Sept., as stated...
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Bulletin, Tema 7

1881
...first pair is plaeed on an elevated wrinkle of the skin in the suture between the tirst and second segments of the thorax, more distant from each other...of the second and third pairs, which are situated ou the middle of the elevation of the second and third segments. Some of the worms enter their pupa...
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The Canadian Entomologist, Volúmenes17-18

1885
...account by Dr. Fitch, of E. villosum, Fabr., I find he says that " some of the worms enter their pupal state the last of autumn, and others not till the...winter, a larva may be found in one, a pupa in another." Now, though I have found the pupa of E. parallelum, Newm. , very early in the fall (18th Sept., as...
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Sessional Papers - Legislature of the Province of Ontario, Volumen6

Ontario. Legislative Assembly - 1887
...account by Dr. Fitch, of E. viltonum, Fabr., I find he says that "some of the worms enter their pupal state the last of autumn, and others not till the...winter, a larva may be found in one, a pupa in another." Now, though I have found tne jmpa of E. parallelum, Newm., very early in the fall (18th Sept., as stated...
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Report of the United States Entomological ..., Volumen5,Partes1886-1890

United States Entomological Commission - 1890
...first pair is placed on an elevated wrinkle of the ikin in the sntnre between the first and second segments of the thorax, more distant from each other...Some of the worms enter their pupa state the last of antumn, and others not till the following spring. Hence in examining the fallen limbs in the winter,...
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Fifth Report of the United States Entomological Commission: Being a Revised ...

United States Entomological Commission, Alpheus Spring Packard - 1890 - 957 páginas
...first pair is placed ou an elevated wrinkle of the ikin in the suture between the first and second segments of the thorax, more distant from each other...the second and third pairs, which are situated on ihe middle of the elevation of the second and third segments. Some of the worms enter their pupa state...
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Report on Injurious and Other Insects

New York (State). State Entomologist - 1893
...breaking and separation.] Dr. Fitch, in writing of the transformations of the oak-pruner, states that some of the worms enter their pupa state the last...autumn, and others not till the following spring, to come forth as perfect beetles in June. Mr. F. Clarkson, of New York city, in a recent number of...
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