The karyotype studies of some aphid species (Hemiptera: Aphidoidea) from Niğde province in Türkiye

Abstract

The biological features of aphids as holocentricity, parthenogenetic reproduction, and telescopic generation have fascinated researchers to conduct chromosomal studies. Because of their chromosomes' holocentricity, the fragmentation fusion leads to karyotypic variations in aphid species. In phytophagous insects like aphids, holocentrism can be related to production of compounds that induce chromosomal variations. In the current study, the evaluation of karyotypes of six aphid species belonging to six genera that infest different host plants at the Niğde Ömer Halisdemir University campus area was conducted between September and November 2022. Evaluated species were Acyrthosiphon (Acyrthosiphon) ilka Mordvilko, 1914, Aphis (Aphis) spiraecola Patch, 1914, Brachycaudus (Brachycaudus) helichrysi (Kaltenbach, 1843), Cinara (Cinara) curvipes (Patch, 1912), Macrosiphum (Macrosiphum) rosae (L., 1758), and Pterochloroides persicae (Cholodkovsky, 1898). The C. curvipes and A. ilka karyotypes were determined for the first time in this study.

Keywords

• Aphid
• chromosome
• Hemiptera
• karyotype
• Türkiye

Türkiye’nin Niğde ilinden bazı yaprakbiti türlerinin (Hemiptera: Aphidoidea) karyotip değerlendirilmesi

Öz

Kromozomlarının holosentrik doğası, partenogenetik üreme, teleskopik jenerasyon gibi biyolojik karakteristik özellikleri, yaprakbitlerini kromozomal çalışmalar için çekici hale getirmektedir. Farklı konak bitkiler için önemli zararlı türler olan yaprakbitleri holosentrik kromozomlara sahiptir. Füzyon veya parçalanma, kromozomlarının holosentrik doğası nedeniyle karyotipik varyasyonlara yol açabilmektedir. Yaprakbitleri gibi fitofag böceklerde holosentrizm, kromozomal varyasyonlara neden olan bileşiklerin üretimi ile ilişkili olabilir. Bu çalışmada, Niğde Ömer Halisdemir Üniversitesi kampüs alanında farklı konak bitkileri istila eden altı cinse ait altı yaprakbiti türünün karyotiplerinin değerlendirilmesi Eylül ve Ekim 2022’de yapılmıştır. Bu türler Acyrthosiphon (Acyrthosiphon) ilka Mordvilko, 1914, Aphis (Aphis) spiraecola Patch, 1914, Brachycaudus (Brachycaudus) helichrysi (Kaltenbach, 1843), Cinara (Cinara) curvipes (Patch, 1912), Macrosiphum (Macrosiphum) rosae (L., 1758) ve Pterochloroides persicae (Cholodkovsky, 1898)’dir. Cinara curvipes ve A. ilka'nın karyotip verileri ilk kez bu çalışmada belirtilmiştir.

Anahtar Kelimeler

• Yaprakbiti
• kromozom
• Hemiptera
• karyotip
• Türkiye

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