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Errors in the sex of eggs laid by the solitary bee Osmia rufa (Megachilidae)

From calculations based on cell lengths and the locations of cells in nests it was estimated that failures in fertilization of eggs of the solitary bee Osmia rufa resulted in 6% more adult males in the population. After adjustment the sex ratio was almost exactly par. /// Aus Berechnungen aufgrund v...

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Bibliographic Details
Published in:Behaviour 1979, Vol.70 (1/2), p.168-171
Main Authors: Raw, A, O'Toole, C
Format: Article
Language:English
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Summary:From calculations based on cell lengths and the locations of cells in nests it was estimated that failures in fertilization of eggs of the solitary bee Osmia rufa resulted in 6% more adult males in the population. After adjustment the sex ratio was almost exactly par. /// Aus Berechnungen aufgrund von Zellängen und der Lage der Brutzellen in Nestern der solitären Biene Osmia rufa wurde geschätzt, dass teilweises Misslingen der Befruchtung der Eier 6% mehr erwachsene Männchen in der Population ergab. Nach Berichtigung waren die Geschlechteranteile annähernd gleich.
ISSN:0005-7959
1568-539X
DOI:10.1163/156853979X00043