Morphological characterization of the antenna of Torymus sinensis (Hymenoptera: Torymidae) and a comparison within the superfamily Chalcidoidea

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY Arthropod Structure & Development Pub Date : 2024-01-01 DOI:10.1016/j.asd.2023.101325
Marco Pezzi , Cristina Munari , Michele Mistri , Chiara Scapoli , Milvia Chicca , Marilena Leis , Carmen Scieuzo , Antonio Franco , Rosanna Salvia , Chiara Ferracini , Alberto Alma , Patrizia Falabella , Davide Curci , Teresa Bonacci
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Abstract

The parasitoid Torymus sinensis (Hymenoptera: Torymidae) has been successfully used in Italy since 2005 for biological control of the invasive cynipid Dryocosmus kuriphilus (Hymenoptera: Cynipidae), highly destructive for the economically relevant Castanea sativa (Fagales: Fagaceae). In order to investigate the morphological aspects related to sensorial behavior, a fine morphology study of the antennae and their sensilla was conducted by scanning electron microscopy on both sexes of T. sinensis. The antennae, composed of a scape, a pedicel and a flagellum with ten flagellomeres, had chaetic sensilla of six subtypes, placoid sensilla of three subtypes, trichoid sensilla, sensilla with a roundish grooved tip, and coeloconic sensilla. The chaetic sensilla of the first three subtypes were found in the scape and in the pedicel, and those of the last three subtypes, together with trichoid, roundish grooved tip and coeloconic sensilla, were found only on flagellomeres. Sexual dimorphism was detected in the morphology of the proper pedicel and the flagellum, and in the presence and distribution of the sensilla and their subtypes. The morphological aspects of the antenna of T. sinensis and of its sensilla were compared with those found in the family Torymidae and in other families of the extremely diverse superfamily Chalcidoidea.

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中华蓟马(膜翅目:蓟马科)触角的形态特征及蓟马超科内部的比较
自 2005 年以来,寄生虫中华蓟马(膜翅目:蓟马科)在意大利被成功地用于入侵蓟马(膜翅目:蓟马科)的生物防治。为了研究与感觉行为有关的形态学问题,我们用扫描电子显微镜对中华绒螯虾的雌雄触角及其感觉器进行了精细的形态学研究。触角由一个花葶、一个花梗和一个有十个鞭毛的鞭毛组成,有六个亚型的链状感觉器、三个亚型的胎座状感觉器、三棱状感觉器、尖端有圆形凹槽的感觉器和腔骨状感觉器。前三个亚型的混沌感觉器分布在花葶和花梗上,而后三个亚型的混沌感觉器,连同毛状感觉器、顶端带圆槽的感觉器和鞘状感觉器,只分布在鞭毛上。在适当花梗和鞭毛的形态、感觉器及其亚型的存在和分布方面发现了性双态性。研究人员将中华蓟马触角及其感觉器的形态与蓟马科以及种类繁多的蓟马超科的其他科的触角和感觉器进行了比较。
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来源期刊
CiteScore
3.50
自引率
10.00%
发文量
54
审稿时长
60 days
期刊介绍: Arthropod Structure & Development is a Journal of Arthropod Structural Biology, Development, and Functional Morphology; it considers manuscripts that deal with micro- and neuroanatomy, development, biomechanics, organogenesis in particular under comparative and evolutionary aspects but not merely taxonomic papers. The aim of the journal is to publish papers in the areas of functional and comparative anatomy and development, with an emphasis on the role of cellular organization in organ function. The journal will also publish papers on organogenisis, embryonic and postembryonic development, and organ or tissue regeneration and repair. Manuscripts dealing with comparative and evolutionary aspects of microanatomy and development are encouraged.
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