A New Potential Invasive Insect Species, Orientus ishidae (Matsumura, 1902) (Hemiptera Cicadellidae), in Türkiye

Abstract

Objective: This study reports the first record of Orientus ishidae (Matsumura, 1902), a species belonging to the family Cicadellidae, in the fauna of Türkiye. Originally native to Asia, this species has recently been spreading across various regions of Europe and is notable for its invasive characteristics. Material and Methods: In 2024, insect specimens were collected during entomological surveys conducted in the Sarıyer district of İstanbul, Türkiye. The samples were brought to the laboratory and identified under a microscope. Results: As a result of the morphological examinations of the specimens collected from walnut (Juglans regia) and ash (Fraxinus excelsior), the species was identified. Conclusion: Orientus ishidae is considered a potential pest, with the capacity to cause negative impacts on forested areas, urban parks, and fruit trees, both directly and through the phytoplasmas it vectors. Therefore, monitoring the distribution and ecological impact of this species in Türkiye is recommended.

Keywords

• Invasive species
• Phytoplasma
• Polyphagous species
• Urban parks

Türkiye’de Yeni Bir Potansiyel İstilacı Böcek Türü: Orientus ishidae (Matsumura, 1902) (Hemiptera: Cicadellidae)

Abstract

Amaç: Bu çalışma, Cicadellidae familyasına ait Orientus ishidae (Matsumura, 1902) türünün Türkiye faunasına ilk kez kaydedildiğini bildirmektedir. Asya kökenli olan bu tür, son yıllarda Avrupa'nın farklı bölgelerinde yayılış göstermekte ve istilacı karakteriyle dikkat çekmektedir. Gereç ve Yöntemler: 2024 yılında İstanbul ili, Sarıyer ilçesinde yürütülen entomolojik araştırmalar kapsamında böcek örnekleri toplanarak laboratuvara getirilmiş ve mikroskop altında tanımlaması yapılmıştır. Bulgular: Ceviz (Juglans regia) ve Dişbudak (Fraxinus excelsior)’tan toplanan örneklerin morfolojik incelemeleri sonucunda tür teşhis edilmiştir. Sonuç: Orientus ishidae’nin potansiyel bir zararlı olabileceği, kendisinin ve taşıyıcılığını yaptığı diğer fitoplazmalarla ormanlık alanlar, şehir parkları ile meyve ağaçları üzerinde olumsuz etkilere sebep olabileceği değerlendirilmektedir. Bu nedenle, türün Türkiye'deki yayılışının ve ekolojik etkilerinin izlenmesi önerilmektedir.

Keywords

• İstilacı tür
• Fitoplazma
• Polifag tür
• Şehir parkları

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