Genetica

, Volume 75, Issue 3, pp 213–218 | Cite as

Three species of Heilipodus (Coleoptera, Curculionidae) with different karyotypes and sex chromosome systems

  • A. Postiglioni
  • A. Da Silva
  • R. Ponce De León
  • E. S. De Vaio
Article

Abstract

This work includes the cytological studies of three species of Heilipodus (Coleoptera, Curculionidae, Molytinae, Hylobiini) that live on plants of the genus Eryngium (Umbelliferae). The three have the same chromosome number (2n=30), but differ in the morphology of their autosomes and in their sex chromosomes.

All specimens of Heilipodus erythropus (Klug) showed a typical parachute-like sex bivalent, some individuals of Heilipodus sp. possessed either a simple Xyp or a sex multivalent involving a telocentric autosomal pair and the parachute bivalent. Finally, Heilipodus scabripennis (Klug) has multiple sex chromosomes neoXpneoX-neoYyp.

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Copyright information

© Dr W. Junk Publishers 1987

Authors and Affiliations

  • A. Postiglioni
    • 1
  • A. Da Silva
    • 1
  • R. Ponce De León
    • 1
  • E. S. De Vaio
    • 1
  1. 1.Departamento de GenéticaFacultad de Humanidades y CienciasMontevideoUruguay

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