Çağrı BEKİRCAN, Hilal YILDIRIM, Onur TOSUN

Altica hampei (Allard, 1867) (Coleoptera: Chrysomelidae)’den bir Gregarine Patojeninin İlk Kaydı

Bu çalışmada Altica hampei (Allard, 1867) (Coleoptera: Chrysomelidae)’den Türkiye’de ilk kez bir gregarine patojeni kaydedildi. Bu böceğin Cirsium arvense (L.) Scop. (Asterales: Asteraceae) bitkisi üzerinde önemli derecede zarara sebep olması nedeniyle biyolojik kontrol ajanı olabilecek patojenlerinin belirlenmesi amaçlanmıştır. Türkiye’de, 134 Altica hampei ergini 2016 yılında Nisan -Haziran ayları arasında Ordu ilinden toplanmıştır. Çalışma süresince A. hampei erginlerinin bağırsak kısımları ışık mikroskobu ile incelenmiştir. Toplam enfeksiyon oran ı %1,5 olarak bulunmuştur. Ergin böceklerin orta bağırsağında gregarine patojenine ait gamont, birleşme formu, trofozoit, kist ve prekist gibi farklı hayat safhaları gözlenmiştir. Görülen patojen bir cephaline gregarindir. Bu çalışmada gözlenen gregarinin morfolojik özellikleri, karakteristik ölçümleri ve oranları tür seviyesinde bir tanımlama yapmak için yeterli değildir. Fakat bugüne kadar A. hampei’den bir gregarine patojeni varlığına dair bir kayıt yoktur, bu nedenle A. hampei erginlerinde gözlenen gregarine patojeni Türkiye ve dünya literaturü için ilk kayıt olması sebebiyle önemlidir. Ayrıca bu çalışmada gözlenen gregarine patojeni, Türkiye’nin patojen biyoçeşitliliğine bir katkıdır.

The First Record of A Gregarine Pathogen from Altica hampei (Allard, 1867) (Coleoptera: Chrysomelidae)

A new gregarine pathogen from Altica hampei (Allard, 1867) has beenreported (Coleoptera: Chrysomelidae) for the first time in Turkey. A.hampei causes considerable damage on Cirsium arvense (L.) Scop.(Asterales: Asteraceae). Therefore, detection of pathogens in whichmay be a biological control agent of A. hampei was aimed. Overall,134 A. hampei adults were collected from Ordu province of Turkeyfrom April to June of 2016. During the study, gut content of adultswas examined thoroughly using a light microscope. Total infectionrate was found as 1.5%. Different life stages of the gregarine pathogen,gamont, associative form, trophozoite, cyst and precyst were observedin the midgut of adults. Observed pathogen was a cephaline gregarine.The morphological features, characteristic measurements and ratiosof the observed gregarine were not validation for the definition ofspecies level. Up to the present, since there are no reports aboutpresence of gregarine pathogen from A. hampei, the observedpathogen from A. hampei was significant as the first gregarinepathogen report for Turkey and for the world literature. Besides,observed gregarine pathogen in present study is a contribution to thepathogen biodiversity of Turkey.

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