Cytogenetic characterization of ten araneomorph spiders (Araneae): Karyotypes and meiotic features
2014
Kumbiçak, Zübeyde
Karyotypes, sex chromosome systems and meiotic characteristics are reported for ten spider species belonging to the families Gnaphosidae, Philodromidae, Salticidae, Oxyopidae and Sicariidae by using standard Giemsa staining. The male diploid numbers (2n) and sex chromosome systems are as follows: Berinda hakani 2n = 22 (X1X2), Berinda ensigera 2n = 22 (X1X2), Trachyzelotes lyonneti 2n = 22 (X1X2), Trachyzelotes malkini 2n = 22 (X1X2), Zelotes caucasius 2n = 22 (X1X2) (Gnaphosidae); Thanatus pictus 2n = 28 (X1 X2), Tibellus macellus 2n = 24 (X1 X2) (Philodromidae); Neon reticulatus 2n = 21 (X0) (Salticidae); Peucetia virescens 2n = 28 (X1X2) (Oxyopidae) and Loxosceles rufescens 2n = 21 (X1 X2Y) (Sicariidae). All species have monoarmed chromosomes with the exception of L. rufescens that has biarmed (metacentric and submetacentric) chromosomes. The obtained data are the first results for the genera Berinda, Trachyzelotes and Neon. Additionally, with the exception of L. rufescens, all species are being chromosomally analyzed for the first time.
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