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首页> 外文期刊>Sociobiology >Types of Antennal Sensilla of Three Pseudacteon Species (Diptera: Phoridae) Females That Parasitize Red Imported Fire Ants (Solenopsis invicta) ( Hymenoptera: Formicidae)
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Types of Antennal Sensilla of Three Pseudacteon Species (Diptera: Phoridae) Females That Parasitize Red Imported Fire Ants (Solenopsis invicta) ( Hymenoptera: Formicidae)

机译：三种假红色种（双翅目：Phoridae）雌性寄生虫的寄生虫，它们寄生红色输入的火蚁（Solenopsis invicta）（膜翅目：Formicidae）

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While antenna is the main organ for insect to accept the external chemical signals, the antennal sensilla that are diverse in structure and function form the insect receptors in chemical communication. Since a variety of Pseudacteon species are important natural enemies of the red imported fire ant, Solenopsis invicta Buren (. invicta), to elucidate the types of Pseudacteon sensilla will promote the study and understanding of the selection behavior of Pseudacteon in parasitizing . invicta. This study has used scanning electron microscope (SEM) to observe and investigate the female’s antennal sensilla of three Pseudacteon species, the Pseudacteon (P.) litoralis, P. obtusus, and P. tricuspis, and demonstrated that there are four types of sensilla, the trichoid, basiconic, coeloconic, and chaetic sensilla, on their antennal flagellum. Among them, the former three are common in all three species, with trichoid sensillum as mostly abundant, while the chaetic sensillum exists only in the antennae of P. obtusus. The trichoid sensilla exhibit significant interspecies variations and are further classified into two subtypes based on the presence or absence of protrusions, the surface of which contains different shades of groove-like or irregular punctate structures. The basiconic sensilla resemble short spines with densely porous structures on the surface and are in the length of 7.3-9.8 μm and the width of 1.3-1.6 μm, upright or slightly bent. The coeloconic sensilla are irregularly formed in the middle and base of the flagellum, without surface pores; each coeloconic sensillum has eight finger-like folds in unequal lengths, while the end of the fold resembles a blunt cone. The chaetic sensilla enlarge at the base, possess multiple fold-like structures and fine-tipped ends, and are approximately 5 μm in length.
机译：触角是昆虫接受外部化学信号的主要器官，而结构和功能各异的触角感应器在化学交流中形成了昆虫受体。由于多种假单胞菌种是红色传入火蚁的重要天敌，因此，阐明假单胞菌感官的类型将促进对假单胞菌选择行为的研究和了解。罪恶。这项研究使用扫描电子显微镜（SEM）来观察和研究三种假单胞菌种（P.uditalis（P.）litoralis，P。obtusus和P.tricuspis）的雌性触角感官，并证明了四种类型的感官，触角鞭毛上的毛发，碱性，腔突和混沌感官。其中，前三个物种在所有三个物种中都是常见的，其中的三脉毛虫最多，而混沌的仅存在于钝角对虾触角中。 Trichoid sensilla表现出明显的种间差异，并根据存在或不存在突起而进一步分为两种亚型，突起的表面包含不同阴影的沟状或不规则点状结构。碱性强直感官类似于短刺，表面上具有密集的多孔结构，长7.3-9.8微米，宽1.3-1.6微米，直立或略微弯曲。球腔感器不规则地形成在鞭毛的中部和底部，没有表面孔。每个腔圆锥形的感觉区都有八个不等长的手指状褶皱，而褶皱的末端类似于钝锥。混乱的感觉器在底部增大，具有多个折叠状结构和细尖的末端，长度约为5μm。

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