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composition (Stephens and Krebs, 1986). As it falls well outside the scope of this chapter to give a comprehensive review of thi ...
in males, while fertilized, i.e. diploid, eggs result in females), a female has perfect control over the sex of the eggs it lays ...
Finally, although we have discussed the various host-acceptance deci- sions separately, we want to stress that it is unlikely th ...
behavioural ecology. Since efficient exploitation of patches determines the fitness of individual parasitoids and thus populatio ...
consists of behavioural rules that are conditional on some characteristic(s) of the habitat and some state(s) of the individual, ...
work of Vos (2001: chapters 4 and 5) on theC. glomerata–Pierissystem. More than 100 years ago,C. glomeratawas introduced to the ...
female that arrives first on the patch is more likely to retain the overall possession of the patch (Field and Calbert, 1999). T ...
for their nutrition. On the other hand, there are those species that do engage in host-feeding, in addition to feeding on separa ...
with a suitable carbohydrate source. These parasitoids have to alternate their search for hosts (reproduction) with bouts of foo ...
Parasitoids have been shown to be excellent model systems for answering evolutionary questions on behaviour, and we are convince ...
competitors, have a great influence on what parasitoids do and can achieve, and we need to incorporate these considerations in o ...
References Askew, R.R. (1971)Parasitic Insects. Heinemann, London, 316 pp. Bakker, K., Peulet, P. and Visser, M.E. (1990) The ab ...
Houston, A. and McNamara, J.M. (1999)Models of Adaptive Behaviour: an Approach Based on State. Cambridge University Press, Cambr ...
Stephens, D.W. and Krebs, J.R. (1986)Foraging Theory. Princeton University Press, Princeton, New Jersey, 247 pp. Takabayashi, J. ...
Vet, L.E.M., de Jong, A.G., Franchi, E. and Papaj, D.R. (1998) The effect of complete versus incomplete information on odour dis ...
Host Discrimination by Seed Parasites Host Discrimination by Seed 4 Parasites Frank J. Messina Department of Biology, Utah State ...
and reproductive parts often show high concentrations of secondary metabolites (Hamiltonet al., 2001). Some legume seeds, for ex ...
Evidence of Host Discrimination Attempts to detect host discrimination among herbivorous insects have focused on species that ar ...
moths (Huth and Pellmyr, 1999) and seed wasps (Kouloussis and Katsoyannos, 1991). Yet some seed parasites fail to discriminate b ...
on a seed alters female behavioural sequences, as well as the probability of host acceptance (Messina and Dickinson, 1993; Parre ...
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