Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Wolfgang Volkl"'
Autor:
Manfred MACKAUER, Wolfgang VÖLKL
Publikováno v:
European Journal of Entomology, Vol 102, Iss 3, Pp 475-481 (2005)
We examined the influence of offspring mortality caused by hyperparasitism on the secondary sex ratio of Lysiphlebus hirticornis Mackauer, a solitary endoparasitoid of the aphid Metopeurum fuscoviride Stroyan, in the field. Females of L. hirticornis
Externí odkaz:
https://doaj.org/article/6363af09de954cea93d9d28db741fd87
Autor:
Carl Gans, Michael Grushwitz, Paul M. Richard Podloucky, Wolfgang Völkl, Michael Waitzmann, Wolfgang Volkl
Publikováno v:
Copeia. 1995:506
Autor:
Wolfgang Völkl, Wolfgang Volkl
Publikováno v:
Oikos. 70:149
Ant-attended and unattended colonies of the aphid Aphis fabae cirsiiacanthoidis differ in their quaIity for the aphid parasitoid Lysiphlebus cardui, with ant-attended colonies being of higher quality due to a reduced aphid defence behaviour and a red
Publikováno v:
European Journal of Entomology, Vol 102, Iss 2, Pp 155-160 (2005)
The black bean aphid, Aphis fabae, is polyphagous and its life cycle involves seasonal migration between summer and winter host plants. The aphids are regularly tended by honeydew-collecting ants. This study investigates whether differences exist in
Externí odkaz:
https://doaj.org/article/70d1c01b1da9464ea12917605d4e5ec7
Autor:
John J. SLOGGETT, Wolfgang VÖLKL, Werner SCHULZE, J. Hinrich G.v.d. SCHULENBURG, Michael E.N. MAJERUS
Publikováno v:
European Journal of Entomology, Vol 99, Iss 4, Pp 565-569 (2002)
The ladybird Coccinella magnifica is typically considered to be myrmecophilous, and primarily associated with the Formica rufa group of wood ants. It is regularly associated with ants of the F. rufa group in north-western Europe. The very limited dat
Externí odkaz:
https://doaj.org/article/8fe96ee56eb34ec685f9dd6da25b2057