0851996884.pdf

Various types of stimuli can be involved in these learning processes. There are reports in the literature of parasitoid species ...

Response potential We first postulate a unique response poten- tial for each stimulus perceived by a para- sitoid. Note that we ...

Experience We next assume that experience can change the response potential of a stimulus and, when it does so, it moves this st ...

on the response potential continuum. Specifically, stimuli with the higher response potentials will be most likely to condition ...

habitat; (ii) no exposure (naïve); or (iii) condi- tioning to a factitious host in an artificial habi- tat (Vet et al., 1990, Ta ...

host-derived products elicit the least variable of all responses in the naïve female. And, to the best of our knowledge, it is t ...

Recent studies revealed that parasitoids with a broader host range seem to use more general cues than more specialized para- sit ...

is of particular interest to those developing quality control methods. Insight into the variability and predictability of natura ...

Du, Y.J., Poppy, G.M. and Powell, W. (1996) Relative importance of semiochemicals from first and second trophic levels in host f ...

Monteith, L.G. (1963) Habituation and associative learning in Drina bohemica Mesn. (Diptera: Tachinidae). Canadian Entomologist ...

ated by airborne semiochemicals. VIII. Learning of host-related odors induced by a brief contact experience with host by-product ...

...

4 Variations in Natural-enemy Foraging Behaviour: Essential Element of a Sound Biological Control Theory W.J. Lewis,^1 L.E.M. Ve ...

as foraging environments, as the source of variation in natural-enemy searching behaviour (Waage and Hassell, 1982; Vet and Dick ...

recognize and respond effectively to this diversity as a resource rather than an obsta- cle to pest-management science. Breeders ...

several different habitats may learn (as will be discussed later) to prefer the habitat in which it encounters suitable hosts (V ...

Variations in Foraging Behaviour 45 Table 4.1. Genetically fixed versus unfixed (plastic) foraging behaviour in parasitoids and ...

food and mating requirements and its gen- eral health can vary because of diseases and climatic conditions. The resulting physio ...

Variations in Foraging Behaviour 47 P^1 P^2 G 1 G^2 Level Latent response potentialActivated response potential Range B A C Filt ...

ranges match with stimuli of foraging envi- ronments is of vital importance in choosing a strain for use as biological control a ...