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Specialization, Speciation, and RadiationThe Evolutionary Biology of Herbivorous Insects$
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Kelley Tilmon

Print publication date: 2008

Print ISBN-13: 9780520251328

Published to California Scholarship Online: March 2012

DOI: 10.1525/california/9780520251328.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 20 May 2022

Evolution of Preference and Performance Relationships

Evolution of Preference and Performance Relationships

(p.20) Two Evolution of Preference and Performance Relationships
Specialization, Speciation, and Radiation

Timothy P. Craig

Joanne K. Itami

University of California Press

Preference is nonrandom oviposition on resources offered simultaneously or sequentially. Performance is any measure of offspring survival, growth, or reproduction that is presumed to be correlated with fitness. Natural selection should favor female phytophagous insects that have a preference for ovipositing on resources where their offspring will have the highest fitness. This assertion has been termed the naïve adaptationist hypothesis. This hypothesis has been tested by measuring oviposition preference and offspring performance in a wide range of interactions, and contrary to initial expectations a wide range of preference–performance relationships have been found. To determine whether eggs are oviposited where offspring fitness is highest, this chapter discusses the evolution of preference and performance relationships. It looks at limiting constraints ranging from complexity constraints to sensory constraints and searching constraints. The chapter also compares the preference–performance relationships in three herbivores that differ in their feeding niches and in the strength of their preference–performance relationships (Euura lasiolepis and willows, Aphrophora pectoralis and willows, and Eurosta solidaginis and goldenrods).

Keywords:   Euura lasiolepis, willows, Aphrophora pectoralis, Eurosta solidaginis, goldenrods, herbivores, preference, performance, naïve adaptationist hypothesis, feeding niches

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