Costly mating delays drive female ornamentation in a capital breeder

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http://hdl.handle.net/10138/333415

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Hopkins , J , Lehtonen , T K , Baudry , G & Kaitala , A 2021 , ' Costly mating delays drive female ornamentation in a capital breeder ' , Ecology and Evolution , vol. 11 , no. 13 , pp. 8863-8868 . https://doi.org/10.1002/ece3.7719

Title: Costly mating delays drive female ornamentation in a capital breeder
Author: Hopkins, Juhani; Lehtonen, Topi K.; Baudry, Gautier; Kaitala, Arja
Contributor: University of Helsinki, Tvärminne Zoological Station
University of Helsinki, Organismal and Evolutionary Biology Research Programme
Date: 2021-07
Language: eng
Number of pages: 6
Belongs to series: Ecology and Evolution
ISSN: 2045-7758
URI: http://hdl.handle.net/10138/333415
Abstract: How fecundity might be traded off with mate attraction and other aspects of reproduction in females remains poorly understood. We investigated these allocation trade-offs using the common glowworm (Lampyris noctiluca), a lampyrid beetle, in which flightless, sedentary females only use resources gathered during the larval stage to attract flying males by glowing. While sexual signaling was not found to have a significant fecundity cost, a delay in successfully attracting a mate greatly increased the risk of reproductive failure, with fecundity losses being more severe in small females. These findings are among the first to show that failure to quickly attract a mate can decrease female fecundity. The results also show how the length of delay before mating can drive the evolution of female sexual ornamentation.
Subject: capital breeder
delayed mating
fecundity
female ornament
Lampyris noctiluca
sex role
sexual selection
signaling cost
SEXUAL SELECTION
MATE CHOICE
COURTSHIP
COLEOPTERA
EVOLUTION
PREDATION
FECUNDITY
SIGNALS
MALES
1181 Ecology, evolutionary biology
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