Zobrazeno 1 - 10
of 66
pro vyhledávání: '"H E, EWING"'
Autor:
H. E. Ewing
Publikováno v:
Psyche: A Journal of Entomology, Vol 14, Iss 6, Pp 111-115 (1907)
Externí odkaz:
https://doaj.org/article/afba027de2da4eb1b7944a4f56371f8d
Autor:
H. E. Ewing, R. L. Webster
Publikováno v:
Psyche: A Journal of Entomology, Vol 19, Iss 4, Pp 121-134 (1912)
Externí odkaz:
https://doaj.org/article/4e791c9605f440d5a28505b466054337
Autor:
H. E. Ewing
Publikováno v:
Psyche: A Journal of Entomology, Vol 15, Iss 6, Pp 105-108 (1908)
Externí odkaz:
https://doaj.org/article/8e7b125381564c309e435aea59304fda
Autor:
H. E. Ewing
Publikováno v:
Psyche: A Journal of Entomology, Vol 18, Iss 1, Pp 37-43 (1911)
Externí odkaz:
https://doaj.org/article/03dce457450b486c9d36042f33ece400
Autor:
H E, EWING, E W, BAKER
Publikováno v:
The Journal of parasitology. 33(4)
Autor:
H E, EWING
Publikováno v:
The Journal of parasitology. 32(5)
Autor:
H. E. Ewing
Publikováno v:
The Biological Bulletin. 27:164-168
In a previous number of the BIOLOGICAL BULLETIN' the writer published the results of some selections made within a pure line of plant lice. These were made in an attempt to in crease and to decrease the length of the third segments of the antenn2e in
Autor:
H. E. Ewing
Publikováno v:
The Canadian Entomologist. 41:122-126
n/a
Autor:
H. E. Ewing
Publikováno v:
Annals of the Entomological Society of America. 10:330-336
But few of our economic insects have been studied more than the common pear-slug or cherry-slug saw-fly, Caliroa cerasi Linn., yet concerning some points in its biology and life history we are as yet in doubt. Parthenogenesis, known to occur in some
Autor:
H. E. Ewing
Publikováno v:
Proceedings of the United States National Museum. 80:1-19