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1990
Journal article
Influences of host feeding-niche and foodplant type on generalist and specialist parasitoids
Parasitoids of 185 British herbivorous insect species were classified as being koinobionts (tending to be specialists) or idiobionts (potential generalists) to examine the influences of host feeding-niche and food plant type on the numbers of parasitoid species attacking individual host species. The majority of parasitoid species of exophytic (internally feeding)...Hawkins, B A ; Askew, R R ; Shaw, Mark R
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1992
Journal article
Relations among assemblage size, host specialization and climatic variability in North American parasitoid communities
We classified the parasitoids attacking 628 species of North American herbivorous insects as idiobionts (those that permanently disable their host during attack) or koinobionts (those that permit continued host development following parasitization). Using these physiological attributes of parasitoids as estimators of host range, we tested three hypotheses that might explain...Hawkins, B A ; Shaw, Mark R ; Askew, R R