Abstract
Karyotypes obtained from spermatogonial metaphases of 20 tenebrionid species have been surveyed. The range of chromosome numbers is from 2n=16 to 2n=26, but only five species deviate from 2n=20, which is the modal and most primitive number of the family. Only the tribe Akidini shows a clear relationship between chromosome number (2n=16) and taxonomic group, while in the other species this relationship is not apparent. The mean total complement lengths in eleven species vary about twofold and the number of chromosome arms (NF) from 23 to 50. Some congeneric species ofTentyria, Hegeter andErodius displayed slight differences in the number of acrocentric chromosomes.
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Project number PB 87-0584-C02-01, Ministry of Education and Science, Spain
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Juan, C., Petipierre, E. Karyological differences among Tenebrionidae (Coleoptera). Genetica 80, 101–108 (1990). https://doi.org/10.1007/BF00127130
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DOI: https://doi.org/10.1007/BF00127130