L. Simmons

Publications480
h-index88
Citations24,526
Highly Influential Citations1,190
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Sperm Competition and Its Evolutionary Consequences in the Insects
TLDR
It is testimony to Simmons’hard-nosed empiricism that he pays more attention to questions from the traditional‘male perspective’ on why femalesmate multiply.
Sexual selection and mate choice.
TLDR
This work identifies where new techniques can help estimate the relative roles of the various selection mechanisms that might work together in the evolution of mating preferences and attractive traits, and in sperm-egg interactions.
The Evolution of Polyandry: Sperm Competition, Sperm Selection, and Offspring Viability
TLDR
A meta-analysis of available data suggests that polyandry, rather than multiple mating, can have a weak but significant general effect on embryo viability, as indicated by egg hatching success.
10 – Sperm Competition in Insects: Mechanisms and the Potential for Selection
The chapter focuses on the understanding of the mechanisms of sperm competition, which are essential for interpreting nonrandom patterns of paternity and for predicting the types of adaptations that…
Does sexual dimorphism in human faces signal health?
TLDR
The results support the immunocompetence-handicap hypothesis for male faces in that masculine traits signalled health during adolescence, but suggest that any health-related evolutionary benefits obtained from preferences for attractive facial traits may be weak.
Sperm competition: linking form to function
TLDR
It is shown that increased sperm length is unlikely to be driven by selection for increased swimming speed, and that the relative lengths of a sperm's constituent parts, rather than their absolute lengths, are likely to be the target of selection.
Reactive oxygen species as universal constraints in life-history evolution
TLDR
This review reviews the evidence in support of the contention that ROS production will constitute a primary and universal constraint in life-history evolution, and integrates the above suggestions into one life- history framework.
SPERM COMPETITION GAMES: A GENERAL MODEL FOR PRECOPULATORY MALE–MALE COMPETITION
TLDR
A general model of sperm allocation is developed that allows us to examine the effect of all forms of precopulatory competition on sperm allocation patterns and predicts that sperm allocation decreases if either the “mate‐competition loading,”a, or the number of males competing for each mating, M, increases.
Female choice in the field cricket Gryllus bimaculatus (De Geer)
TLDR
This study shows that multiple mating is a potential mechanism of mate choice and a function of multiple mating may be to dilute the sperm stored from previous matings with that of the current male, so increasing his representation in offspring production.
Correlates of male quality in the field cricket, Gryllus campestris L.: age, size, and symmetry determine pairing success in field populations
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