Chironomus bonus Shilova & Dzhvarsheishvili

Michailova, Paraskeva, 2024, Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species, Zootaxa 5453 (4), pp. 511-537 : 518

publication ID

https://doi.org/ 10.11646/zootaxa.5453.4.3

publication LSID

lsid:zoobank.org:pub:B535A3FF-151C-4070-9BE7-2FE6E3238847

DOI

https://doi.org/10.5281/zenodo.11359202

persistent identifier

https://treatment.plazi.org/id/03D5FF23-FFA8-D85E-FF20-FF2FFD91FDA0

treatment provided by

Plazi

scientific name

Chironomus bonus Shilova & Dzhvarsheishvili
status

 

Chironomus bonus Shilova & Dzhvarsheishvili View in CoL

The chromosome set is 2n = 8.AB and CD chromosomes are metacentric, EF—submetacentric and G chromosome— telocentric. The centromeric regions are dark thin bands, well defined ( Fig. 6 View FIGURE 6 ). A chromosome G has one NOR, near to the centromere and two BRs. The species is homosequential to Chironomus plumosus (Linnaeus) and distinguished by shape of its hypopygium (Michailova 1994). In Russian populations of the species, an additional B chromosome, characteristic of the genome of the species, was found ( Kiknadze et al. 2016; Petrova & Zhirov 2022), but in the studied Bulgarian population such an additional chromosome was not found. It is characteristic of the species that chromosome G has incomplete conjugation almost throughout the chromosome, only in the area of the NOR homologues have conjugated ( Fig. 6 View FIGURE 6 ).In the middle of this chromosome there is a group of dark bands—makers of the species. Thirty-five larvae were examined.

Collection sites: Shabla Lake.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Chironomidae

Genus

Chironomus

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