Nimfal Conocephalus fuscus fuscus (Fabricius, 1793) (Orthoptera, Tettigoniidae)’ta Proventrikulusun Histomorfolojik Özellikleri

Yıl 2021, , 68 - 76, 01.05.2021

Damla Amutkan Mutlu , İrmak Polat , Zekiye Suludere

https://doi.org/10.5281/zenodo.4843474

Öz

Böceklerde sindirim sisteminin morfolojisindeki çeşitlilik, birçok araştırmacıyı, proventrikulusa özel vurgu yaparak, onu sistematik ve filogenik karakter olarak kullanmaya yöneltmiştir. Bu çalışmada, nimfal Conocephalus fuscus fuscus (Fabricius, 1793) (Orthoptera, Tettigoniidae), 2017 ve 2018 yıllarının Haziran ayında Ankara-Çankırı yolu üzerindeki arazilerden toplanmış ve disekte edilen proventrikulus yapısı ışık mikroskobu ve taramalı elektron mikroskop yöntemleriyle incelenmiştir. C. fuscus fuscus dıştan içe doğru kas tabakası ve epitel tabakasından oluşmaktadır. Epitel tabakasının apikal yüzeyinde farklı kalınlıklarda kütikül tabakası yer almaktadır. C. fuscus fuscus, 6 skletorize tabanlı uzunlamasına dişi olan proventrikulusa sahiptir. Her uzunlamasına merkezi dişin apikal tarafında kısa dikenler ve bazal tarafında tüy benzeri çıkıntılar vardır. Proventrikulus yapısı, Orthoptera takımındaki diğer türlerin proventrikulusuna benzer temel bir morfolojik model sunar. Ancak diğer böcek türleri ile karşılaştırıldığı zaman uzunlamasına diş üzerinde bulunan dikenlerde bazı farklılıklar olduğunu gözlemledik. Sonuçlar, iç morfolojinin, bu analizlerde böceklerde filogeninin araştırılmasında kullanılabilecek bir karakter olduğunu doğrulamaktadır.

Anahtar Kelimeler

Ön bağırsak, Morfoloji, Histoloji, Işık mikroskobu, Taramalı elektron microskobu, Conocephalus fuscus fuscus

Kaynakça

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