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Endochironomus tendens (F.) (Chironomidae, Diptera) an example of stasipatric speciation

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Endochironomus tendens has been studied from different localities and geographically isolated populations. On the basis of the detailed karyotaxonomic analysis the investigated material can be divided into two forms. These forms are distinguished by their karyotype and phenotype. The results of the karologica and hybridization analysis showed that the differences between these forms lie only on the basis of microevolution differentiation of species, without being reproductively isolated. This is an example of stasipatric speciation-chromosomal aberrations having an adaptive value in a homozygous state are fixed in definitive localities of species range.

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Michailova, P. Endochironomus tendens (F.) (Chironomidae, Diptera) an example of stasipatric speciation. Netherlands Journal of Aquatic Ecology 26, 173–180 (1992). https://doi.org/10.1007/BF02255238

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  • Stasipatric speciation
  • chromosome
  • hybridization
  • karyotype
  • Endochironomus tendens (F.)
  • Chironomidae