Sexual size dimorphism and sex ratios in bees and wasps

When parental investment is estimated from the body weight of offspring, the sex investment ratio increases with increasing sexual size dimorphism across species of bees and wasps. This relationship was recently found in ants and was hypothesized to be artifactual and occur because body weight overe...

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Veröffentlicht in:	The American naturalist 1994-03, Vol.143 (3), p.418-434
1. Verfasser:	Helms, Ken R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal ethology Ants Biological and medical sciences Bumblebees Cost estimates Food security Fundamental and applied biological sciences. Psychology Hares hymenoptera Insect colonies Invertebrates Parental investment peso poids proporcion de los sexos Protozoa. Invertebrata Psychology. Psychoanalysis. Psychiatry reproduccion sexual reproduction sexuee Sex ratio sexual reproduction Social insects Solitary bees weight
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