首页> 外文OA文献 >Équipement sensoriel des antennes dans des espèces proches de guêpes prédateurs (Hymenoptera: Philanthinae), qui chassent des proies différentes
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Équipement sensoriel des antennes dans des espèces proches de guêpes prédateurs (Hymenoptera: Philanthinae), qui chassent des proies différentes

机译:在接近捕食性黄蜂(膜翅目:费兰科)的物种中触角的感觉设备,它们捕食不同的猎物

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摘要

Despite its potential value in phylogenetic and ecological studies, the morphology of antennal sensilla has rarely been compared quantitatively within the Apoidea. Here, through a scanning electron microscopy analysis, we provide an inventory of different types of antennal sensilla and compare their morphology across 10 species of predatory wasps (Crabronidae: Philanthinae) including species that hunt exclusively either on beetles or on bees to feed their larvae. A sensilla-free area was found on the apical flagellomer of all but two species, and its shape and size appear to be useful for separating Philanthini from Cercerini within the subfamily. A total of eight types of sensilla (sensilla placoidea, sensilla basiconica, two types of pit organs, sensilla coelocapitula and three types of sensilla trichoidea) were found in all species, and an additional rarer type (grooved peg sensilla) was found only in three bee-hunting species and for first time in the genus Cerceris. Certain morphological features confirmed the separation of the apoid wasps from the rest of the Apoidea (i.e., bees). A cluster analysis based on the sizes of the different types of sensilla suggested that, overall, sensilla morphology is not a useful taxonomic tool, and thus, other factors likely determine interspecific variability. One candidate factor is the prey type, given some differences in the presence, density, size and distribution of certain types of olfactory sensilla between beetle-hunters and bee-hunters. This hypothesis needs to be further tested quantitatively using a larger species set, more individuals per species, additional sensilla features, and a correction for phylogeny.
机译:尽管在系统发育和生态学研究中具有潜在的价值,触角感官的形态很少在Apoidea中进行定量比较。在这里,通过扫描电子显微镜分析,我们提供了不同类型的触角感应器的清单,并比较了10种捕食性黄蜂(蟹科:Phil科)的形态,包括专门在甲虫或蜜蜂上捕食以喂养其幼虫的物种。在除了两个物种的顶端鞭毛体上均发现无感性区域,其形状和大小似乎有助于将亚纲中的费拉尼尼和塞切里尼分离。在所有物种中总共发现了八种类型的感性细菌(感性乳杆菌,感性感性细菌,两种类型的窖器,腔壁感器和三种感性毛虫),并且仅在三个物种中发现了另一种稀有类型的感性(沟槽钉状感器)。蜜蜂的狩猎物种,并且是首次在蜡菊属中。某些形态特征证实了阿片类黄蜂与其他阿片类(即蜜蜂)的分离。基于不同类型感官的大小的聚类分析表明,总体而言,感官形态并不是有用的分类工具,因此,其他因素也可能决定种间变异性。一个可能的因素是猎物类型,因为在甲虫猎人和蜜蜂猎人之间某些类型的嗅觉感官的存在,密度,大小和分布存在一些差异。该假设需要使用更大的物种集,每个物种更多的个体,额外的感官特征以及系统发育的校正进行定量测试。

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