title: Chromosomal polymorphism in Lepidospyris demissus (Coleoptera, Curculionidae).
abstract: The diploid number of chromosomes in Lepidospyris demissus is 22 including a pair of sex-chromosomes (Xy). However, in its polymorphic forms the diploid number is 23 with three sex-chromosomes (X,yy).
mesh_terms: D000818:Animals; D002875:Chromosomes / Q000648:ultrastructure*; D001517:Coleoptera / Q000235:genetics*; D004171:Diploidy; D008677:Metaphase; D011110:Polymorphism, Genetic; D012730:Sex Chromosomes / Q000648:ultrastructure