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Genetic diversity in populations of asexual and sexual bag worm moths (Lepidoptera: Psychidae).

Authors
  • Grapputo, Alessandro
  • Kumpulainen, Tomi
  • Mappes, Johanna
  • Parri, Silja
Type
Published Article
Journal
BMC Ecology
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Jan 01, 2005
Volume
5
Pages
5–5
Identifiers
PMID: 15987507
Source
Medline
License
Unknown

Abstract

The three different species show a similar population structure characterised by high genetic differentiation among populations and low dispersal. Most of the populations showed high heterozygote deficiency likely due to the presence of null alleles at most of the loci and/or to the Wahlund effect. Although the parthenogenetic D. fennicella shows reduced genetic diversity compared to the sexual species, it still shows surprisingly high genotype diversity. While we can not totally rule out the presence of cryptic sex, would explain this high genotype diversity, we never observed sex in the parthenogenetic D. fennicella, nor was there any other evidence of this. Alternatively, a non-clonal parthenogenetic reproduction, such as automictic thelytoky, could explain the high genotypic diversity observed in D. fennicella.

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