High variation in sperm precedence and last male advantage in the scorpionfly Panorpa germanica L. (Mecoptera, Panorpidae): Possible causes and consequences

In the last decades, many insect species have been studied in terms of sperm competition. Patterns of sperm use are often inferred from the mean species value of P 2, defined as the mean proportion of offspring sired by the second male in double-mating trials. In Panorpa germanica (Mecoptera, Panorp...

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Veröffentlicht in:	Journal of insect physiology 2007-11, Vol.53 (11), p.1145-1150
Hauptverfasser:	Kock, Dagmar, Sauer, Klaus P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Copulation - physiology Female Fertilization Insecta - physiology Intraspecific variance Male Mate choice Mecoptera Panorpidae Sperm competition Sperm transfer Sperm viability Spermatozoa - physiology Time Factors
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