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| 11. |
Adaptive superparasitism in solitary parasitoids: marking of parasitized hosts in relation to the pay‐off from superparasitism |
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Ecological Entomology,
Volume 17,
Issue 1,
1992,
Page 76-82
MARCEL E. VISSER,
BART LUYCKX,
HENK W. NELL,
GÉ J.F. BOSKAMP,
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摘要:
Abstract.1The pay‐off from an egg laid in a parasitized host is an important parameter in models on adaptive superparasitism in solitary insect parasitoids.2ForLeptopilina heterotoma, a parasitoid of larvalDrosophila, the pay‐off from a second egg laid in a host is 0.43 offspring when the interval between the two ovipositions is less than 3h. For longer intervals, this pay‐off decreases to almost zero for an interval of 24 h.3When a female encountering a parasitized host is able to estimate the interval since the first oviposition, it is expected that she will take this into account in her host selection decisions. This is, however, not in the direct interest of the female that lays the first egg, and marks the host.4We studied whether superparasitism in hosts containing a young egg is more common than in hosts containing an older egg, when searching in a patch containing once‐parasitized and unparasitized hosts.5The acceptance/encounter ratio of parasitized hosts increased for intervals longer than 6h, as predicted when the interests of the marking female and the longevity of the mark are taken into account.6Superparasitism occurred more often when parasitoids had previously searched a host patch 7 days before the experiment compared to when parasitoids had searched a patch 1 day before, a phenomenon predicted by dynamic optimal diet
ISSN:0307-6946
DOI:10.1111/j.1365-2311.1992.tb01042.x
出版商:Blackwell Publishing Ltd
年代:1992
数据来源: WILEY
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| 12. |
Evidence of an oviposition‐deterring pheromone in the orange‐tip butterfly,Anthocharis cardamines(L) |
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Ecological Entomology,
Volume 17,
Issue 1,
1992,
Page 83-85
J. P. DEMPSTER,
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ISSN:0307-6946
DOI:10.1111/j.1365-2311.1992.tb01043.x
出版商:Blackwell Publishing Ltd
年代:1992
数据来源: WILEY
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| 13. |
Intimacy and fidelity: internal and external feeding by the British microlepidoptera |
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Ecological Entomology,
Volume 17,
Issue 1,
1992,
Page 86-88
KEVIN J. GASTON,
DUNCAN REAVEY,
GRACIELA R. VALLADARES,
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ISSN:0307-6946
DOI:10.1111/j.1365-2311.1992.tb01044.x
出版商:Blackwell Publishing Ltd
年代:1992
数据来源: WILEY
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| 14. |
Sex ratios of heteronomous hyperparasitoids: adaptive or non‐adaptive? |
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Ecological Entomology,
Volume 17,
Issue 1,
1992,
Page 89-90
H. C. J. GODFRAY,
M. S. HUNTER,
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ISSN:0307-6946
DOI:10.1111/j.1365-2311.1992.tb01045.x
出版商:Blackwell Publishing Ltd
年代:1992
数据来源: WILEY
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| 15. |
A variable insect–plant interaction: the relationship between tree budburst phenology and population levels of insect herbivores among trees |
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Ecological Entomology,
Volume 17,
Issue 1,
1992,
Page 91-95
MARK D. HUNTER,
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PDF (420KB)
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ISSN:0307-6946
DOI:10.1111/j.1365-2311.1992.tb01046.x
出版商:Blackwell Publishing Ltd
年代:1992
数据来源: WILEY
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