Article

Behavior Genetics

, Volume 31, Issue 2, pp 167-177

First online:

Courtship and Mating Behaviour of Interspecific Nasonia Hybrids (Hymenoptera, Pteromalidae): A Grandfather Effect

  • L. W. BeukeboomAffiliated withSection Animal Ecology, Institute of Evolutionary and Ecological Sciences, University of Leiden
  • , J. van den AssemAffiliated withSection Animal Ecology, Institute of Evolutionary and Ecological Sciences, University of Leiden

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Abstract

Nasonia courtship behaviour includes easily quantifiable, stereotyped components. We analysed displays of N. vitripennis × N. longicornis hybrid males. Most of them performed well-organised displays that were intermediate between the parental species. However, in both reciprocal crosses, a significant bias towards the behaviour of the grandpaternal species was observed. Possible explanations for this effect are a biased recovery of genotypes, either due to nucleo-cytoplasmic interaction or non-mendelian transmission, or differential activation of genes in hybrid females. This study is a first step towards unravelling the genetic architecture of courtship behaviour of Nasonia, which may provide information about factors responsible for species isolation.

Nasonia courtship behaviour interspecific hybrids non-mendelian inheritance reproductive isolation