effects of diet on herbivory by a predaceous lady beetle

We hypothesize that herbivory by predators is affected by the complexity of their diet. Coleomegilla maculata larvae fed prey - Acyrthosiphon pisum or Ostrinia nubilalis eggs - consumed two to three times more plant tissue (pinto beans) than those fed a mixed diet (containing pollen substitute and p...

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Bibliographic Details
Published in:Biocontrol science and technology 2011-01, Vol.21 (1-2), p.71-74
Main Authors: Lundgren, Jonathan G, Moser, Susan E, Hellmich, Richard L, Seagraves, Michael P
Format: Article
Language:English
Subjects:
Acyrthosiphon pisum
artificial diets
Coccinellidae
Coleomegilla maculata
facultative phytophagy
feeding behavior
insect behavior
nutrition
omnivory
Ostrinia nubilalis
Phaseolus vulgaris
pinto beans
plant-insect relations
predation
predator-prey relationships
predatory insects
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Summary:We hypothesize that herbivory by predators is affected by the complexity of their diet. Coleomegilla maculata larvae fed prey - Acyrthosiphon pisum or Ostrinia nubilalis eggs - consumed two to three times more plant tissue (pinto beans) than those fed a mixed diet (containing pollen substitute and prey-based components). Simple, prey-only diets appear to lack plant-based nutrients important to this predator.
ISSN:0958-3157
1360-0478
DOI:10.1080/09583157.2010.524917