Ultrastructure of antennal sensilla of Copidosomopsis nacoleiae (Eady) (Hymenoptera: Chalcidoidea: Encyrtidae), a parasitoid of Diaphania angustalis (Snellen) (Lepidoptera: Crambidae),Microscopy Research and Technique

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Ultrastructure of antennal sensilla of Copidosomopsis nacoleiae (Eady) (Hymenoptera: Chalcidoidea: Encyrtidae), a parasitoid of Diaphania angustalis (Snellen) (Lepidoptera: Crambidae)
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2021-04-12 , DOI: 10.1002/jemt.23770
Yu-Jing Zhang ₁ , Dong-Yu Chen ₁ , Xue-Ting Chao ₁ , Zi-Shu Dong ₁ , Zong-You Huang ₁ , Xia-Lin Zheng ₁ , Wen Lu ₁

Affiliation

The antennal sensilla of Copidosomopsis nacoleiae (Eady) (Hymenoptera: Chalcidoidea: Encyrtidae) were observed under scanning and transmission electron microscopy in this study. The antennae of C. nacoleiae are geniculate, and the flagellum is composed of five subsegments in males and six in females. Six types of sensilla were observed, including sensilla trichodea, sensilla chaetica, sensilla basiconic capitate pegs, sensilla placodea, sensilla basiconica, and Böhm's bristles. Sensilla trichodea were evenly distributed throughout the antennae. Sensilla chaetica, sensilla basiconic capitate pegs and sensilla placodea were found on the flagellomeres. Sensilla basiconica were only found on the club, and Böhm's bristles were found on the radicle and the pedicel. Sensilla trichodea, sensilla placodea, sensilla chaetica, and sensilla basiconic capitate pegs were found to be the most common sensilla of the parasitoids in the superfamily Chalcidoidea. The external and internal characteristics, types, number, distribution, and dimensions of these sensilla are described, and their possible functions are discussed in accordance with host-detection behavior. Future studies on the host location mechanisms of C. nacoleiae will be based upon these observations.

中文翻译：

Copidosomopsis nacoleiae (Eady) (膜翅目: Chalcidoidea: Encyrtidae), Diaphania angustalis (Snellen) 的寄生蜂 (Lepidoptera: Crambidae) 触角感受器的超微结构

本研究在扫描和透射电子显微镜下观察了Copidosomopsis nacoleiae (Eady) (膜翅目: Chalcidoidea: Encyrtidae)的触角感受器。C的触角。花椰菜是膝状的，鞭毛由雄性的五个亚节和雌性的六个亚节组成。观察到六种类型的感受器，包括毛状感受器、毛状感受器、基本头状感受器、placodea 感受器、基本感受器和Böhm 刷毛。毛感器均匀分布在整个触角中。在鞭毛体上发现了毛状感受器、基本音感器头状突起和板状感受器。Sensilla basiconica仅在球杆上发现，而在胚根和花梗上发现了Böhm的刚毛。发现毛纲感器、毛纲感器、毛感器和基本音感器头状感器是 Chalcidoidea 总科中最常见的寄生物类感器。外部和内部特征、类型、数量、分布、描述了这些感受器的尺寸和尺寸，并根据宿主检测行为讨论了它们可能的功能。宿主定位机制的未来研究Ç。nacoliae将基于这些观察结果。

更新日期：2021-04-12

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