Morphology of Spermathecae and Eggs of Stenozygum coloratum (Klug, 1845) (Heteroptera: Pentatomidae)

Selami Candan; Mustafa Güllü; Nurcan Özyurt Koçakoğlu

doi:10.18016/ksutarimdoga.vi.858454

EN TR

Morphology of Spermathecae and Eggs of Stenozygum coloratum (Klug, 1845) (Heteroptera: Pentatomidae)

Abstract

The spermathecae and egg morphology of Stenozygum coloratum (Klug, 1845) were examined with light and scanning electron microscopy, and their external morphology was characterized in detail (egg chorion surface, operculum, and aero-micropylar processes, and spermatheca morphology). Eggs barrel-shaped; operculum round and the hatching line can be easily distinguished in the scanning electron photograph. The egg batches usually consist of 12 eggs. Because of the thick egg chorion, embrionic development was not visible from the outside. The eggs of S. coloratum are usually laid in two rows and are glued to the Capparis spinosa (Capparacea) plants. The egg burster is highly sclerotized, thick and T shaped. It is clearly observed in the hatched egg. Egg-burster is remains attached with the inside lateral surface of the egg. The well-marked operculum intersects the ring of 18–20 short pipe shaped micropylar projections that are found between the tubercles around the hatching line. In S. coloratum, the spermathecae has a semi-oblong spermathecal bulb. The spermathecal duct, pumping region, dilation of spermathecal duct and distal and proximal ducts. The pumping region has distal and proximal flanges. The balloon-like median spermathecal dilation has sclerotized rod and is narrowed distally and tipped. The proximal area of the spermathecal duct is close to the vagina opening. Two V-shaped sclerites and two ring sclerites are localized on the genital chamber (vagina) wall in to which opens the spermathecae. Egg and spermathecae structures in insects differ from species to species. In this study, spermathecae and egg structures of this species, which have not been studied before, were examined in detail, and it was aimed to contribute to systematic and taxonomic studies.

Keywords

Stenozygum coloratum (Klug, 1845) (Heteroptera: Pentatomidae)’un Spermateka ve Yumurta Morfolojisi

Öz

Stenozygum coloratum'un (Klug, 1845) spermatheka ve yumurta morfolojisi ışık ve taramalı elektron mikroskobu ile incelenmiş ve dış morfolojileri ayrıntılı olarak karakterize edilmiştir (yumurta koryon yüzeyi, operkulum ve aero-mikropilleri ve spermateka morfolojisi). Yumurtalar fıçı şeklindedir, operkulum yuvarlaktır ve açılma hattı taramalı elektron mikroskobu fotoğrafında kolaylıkla ayırt edilebilir. Yumurta kümesi genellikle 12 yumurtadan oluşmaktadır. Yumurta koryonunun kalın olması nedeniyle embriyonik gelişim dışarıdan görünmemektedir. S. coloratum yumurtaları genellikle iki sıra halinde Capparis spinosa (Capparacea) bitkilerine yapıştırılır. Yumurta kırıcısı oldukça sklerotize, kalın ve T şeklindedir. Yumurta kırıcısı, açılan yumurtada açıkça görülmektedir. Yumurta kırıcısı, açılan yumurtanın iç yan yüzeyinde kalır. Belirgin operkulum, açılma hattı çevresinde tüberküllerin arasında bulunan 18-20 kısa boru şeklindeki mikropil çıkıntılarının halkası ile kesişir. S. coloratum'da, spermateka, yarı oblong bir spermateka haznesi, spermatekal kanal, pompalama bölgesi, spermatekal kanalın dilasyonu, distal ve proksimal kanallara sahiptir. Pompalama bölgesi distal ve proksimal yakalara sahiptir. Balon benzeri medyan spermatekal dilasyon sklerotize çubuğa sahiptir ve o distal ve uc kısımda daralmıştır. Spermatekal kanalın proksimal bölgesi vajina açıklığına yakındır. İki V şeklindeki sklerit ve iki halka sklerit, spermatekaya açılan genital oda (vajina) duvarında yer almaktadır. Böceklerde yumurta ve spermateka yapıları türden türe farklılık göstermektedir. Bu çalışmada daha önce çalışılmamış olan bu türün spermateka ve yumurta yapıları detaylı olarak incelenmiş, sistematik ve taksonomik çalışmalara katkı sağlanması amaçlanmıştır.

Anahtar Kelimeler

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Details

Primary Language

English

Subjects

Structural Biology

Journal Section

Research Article

Authors

Selami Candan
0000-0002-7402-1360
Türkiye

Mustafa Güllü
0000-0002-4133-6534
Türkiye

Nurcan Özyurt Koçakoğlu ^*
0000-0001-7137-8631
Türkiye

Publication Date

December 31, 2021

Submission Date

January 11, 2021

Acceptance Date

March 18, 2021

Published in Issue

Year 2021 Volume: 24 Number: 6

DOI

https://doi.org/10.18016/ksutarimdoga.vi.858454

IZ

https://izlik.org/JA33EP48KT

Cite

RIS / Bibtex

APA

Candan, S., Güllü, M., & Özyurt Koçakoğlu, N. (2021). Morphology of Spermathecae and Eggs of Stenozygum coloratum (Klug, 1845) (Heteroptera: Pentatomidae). Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, 24(6), 1290-1299. https://doi.org/10.18016/ksutarimdoga.vi.858454