Bushcricket spermatophores vary in accord with sperm competition and parental investment theory
1993; Royal Society; Volume: 251; Issue: 1332 Linguagem: Inglês
10.1098/rspb.1993.0027
ISSN1471-2954
AutoresLeigh W. Simmons, Michael Craig, Tanya M. Llorens, M. Schinzig, David J. Hosken,
Tópico(s)Insect and Arachnid Ecology and Behavior
ResumoRestricted accessMoreSectionsView PDF ToolsAdd to favoritesDownload CitationsTrack Citations ShareShare onFacebookTwitterLinked InRedditEmail Cite this article Simmons L. W. , Craig M. , Llorens T. , Schinzig M. and Hosken D. 1993Bushcricket spermatophores vary in accord with sperm competition and parental investment theoryProc. R. Soc. Lond. B.251183–186http://doi.org/10.1098/rspb.1993.0027SectionRestricted accessArticleBushcricket spermatophores vary in accord with sperm competition and parental investment theory L. W. Simmons Google Scholar Find this author on PubMed Search for more papers by this author , M. Craig Google Scholar Find this author on PubMed Search for more papers by this author , T. Llorens Google Scholar Find this author on PubMed Search for more papers by this author , M. Schinzig Google Scholar Find this author on PubMed Search for more papers by this author and D. Hosken Google Scholar Find this author on PubMed Search for more papers by this author L. W. Simmons Google Scholar Find this author on PubMed , M. Craig Google Scholar Find this author on PubMed , T. Llorens Google Scholar Find this author on PubMed , M. Schinzig Google Scholar Find this author on PubMed and D. Hosken Google Scholar Find this author on PubMed Published:22 March 1993https://doi.org/10.1098/rspb.1993.0027AbstractSperm competition theory predicts that males will vary the number of sperm ejaculated according to the intensity of competition expected over the fertilization of eggs. Parental investment theory predicts that the magnitude of male investment in offspring should be associated with confidence of paternity. The spermatophores of some bushcrickets serve the dual functions of delivering sperm and providing the female with a nutritious meal that appears to function as parental investment. We show how male Requena verticalis increase the number of sperm in the ampulla of the spermatophore and reduce the amount of spermatophylax material when mating with females with whom they have a low confidence of paternity. These changes in spermatophore morphology are in accord with theories of sperm competition and parental investment.FootnotesThis text was harvested from a scanned image of the original document using optical character recognition (OCR) software. As such, it may contain errors. Please contact the Royal Society if you find an error you would like to see corrected. Mathematical notations produced through Infty OCR. Previous ArticleNext Article VIEW FULL TEXT DOWNLOAD PDF FiguresRelatedReferencesDetailsCited by Magris M (2021) Strategic adjustment of ejaculate quality in response to variation of the socio-sexual environment, Behavioral Ecology and Sociobiology, 10.1007/s00265-021-03032-1, 75:6, Online publication date: 1-Jun-2021. 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