INIBIOMA 20415
INSTITUTO DE INVESTIGACIONES EN BIODIVERSIDAD Y MEDIOAMBIENTE
Unidad Ejecutora - UE
artículos
Título:
The effects of patch richness on con-specific interference in the parasitoid Ibalia leucospoides (Hymenoptera, Ibaliidae)
Autor/es:
VALERIA FERNANDEZ ARHEX ; JUAN CARLOS CORLEY
Revista:
Insect Science
Editorial:
Wiley Blackwell
Referencias:
Año: 2010 vol. 17 p. 379 - 385
ISSN:
1672-9609
Resumen:
We experimentally studied con-specific interference in Ibalia leucospoides,
a parasitoid of the woodwasp Sirex noctilio, on pine logs containing variable numbers
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
a parasitoid of the woodwasp Sirex noctilio, on pine logs containing variable numbers
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
a parasitoid of the woodwasp Sirex noctilio, on pine logs containing variable numbers
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
during patch exploitation.
of woodwasp larvae. Competiton occurred when two different-sized female parasitoids
foraged on a host patch, and consequently the small female always abandoned the patch.
Regardless of host density, con-specific presence did not affect the attack rate, the number
of hosts attacked, nor patch residence time by the winner, when compared to a control
female that foraged alone. In contrast, con-specific presence reduced patch time and the
number of hosts attacked by the loser. Finally patch time (by both) as well as number
of hosts attacked (by the winner only) increased with host density per patch. Our results
suggest that con-specific presence has different consequences for different-sized females
