Changes in Group-Selected Traits That Occur When Group Selection Is Relaxed

Wade, Michael J.

doi:10.1111/j.1558-5646.1984.tb00374.x

Cited by 7 publications

(1 citation statement)

References 14 publications

(22 reference statements)

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“…Thus, selection within populations did not lead to a uniform convergence of the A and B populations when interdemic selection was relaxed as might have been expected. However, within both the A and B groups there was a significant divergence of the populations as illustrated by the significantly increased variance in productivity of the restart populations when compared with the original populations (see also WADE, 1984).…”

Section: Discussionmentioning

confidence: 98%

The population biology of flour beetles, Tribolium castaneum, after interdemic selection for increased and decreased population growth rate

Wade¹

1984

Population Ecology

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Section: Discussionmentioning

confidence: 98%

The population biology of flour beetles, Tribolium castaneum, after interdemic selection for increased and decreased population growth rate

Wade¹

1984

Population Ecology

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Cooperation in caviomorphs

Vásquez

2016

Sociobiology of Caviomorph Rodents

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Cannibalizing Harmonia axyridis (Coleoptera: Coccinellidae) larvae use endogenous cues to avoid eating relatives

Joseph

Snyder

Moore

1999

Journal of Evolutionary Biology

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Cannibalism is widespread among many different organisms, and can have both negative and positive fitness consequences. Avoiding eating relatives can minimize negative fitness consequences of cannibalism. Such avoidance requires kin discrimination, but evidence for this ability among cannibals is limited with little data that address the cues used in such discrimination. We examined whether larvae of the ladybird beetle Harmonia axyridis avoid eating their relatives. We further manipulated environmental factors to create individuals that had similar or dissimilar rearing environments to begin to test for endogenous versus exogenous recognition cues. In our experiments, third‐instar larvae were much less likely to cannibalize if they were interacting with a relative. Larvae that did cannibalize kin required more encounters, and significantly delayed cannibalism, compared to larvae cannibalizing unrelated individuals. Acquired cues were less important. Even though the different rearing environment resulted in significantly different phenotypic effects, similarity or dissimilarity of rearing environment had no effect on cannibalism, and there was no interaction between environments and relatedness in cannibalism. We suggest that H. axyridis has a well‐developed kin discrimination system, and that kin recognition in this ladybird beetle is based on endogenous rather than exogenous cues. We also argue that these cues reflect either direct or indirect genetic effects on larval phenotypes.

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Changes in Group-Selected Traits That Occur When Group Selection Is Relaxed

Cited by 7 publications

References 14 publications

The population biology of flour beetles, Tribolium castaneum, after interdemic selection for increased and decreased population growth rate

The population biology of flour beetles, Tribolium castaneum, after interdemic selection for increased and decreased population growth rate

Cooperation in caviomorphs

Cannibalizing Harmonia axyridis (Coleoptera: Coccinellidae) larvae use endogenous cues to avoid eating relatives

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