关于欧洲和非洲一些 Merodontini 食蚜蝇(双翅目:蚜科)的未成熟阶段

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY Arthropod Structure & Development Pub Date : 2024-01-01 DOI:10.1016/j.asd.2023.101328
José J. Orengo-Green , Antonio Ricarte , Martin Hauser , Dominique Langlois , Mª Á. Marcos-García
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引用次数: 0

摘要

食蚜蝇属(Eumerus)和食蚜蝇属(Syrphidae: Merodontini)共同组成了古北区种类最多的食蚜蝇类群。然而,人们对其幼虫的形态和生物学特性知之甚少。已发现的少数食蚜蝇和食蚁蝇幼虫在植物的地下器官(部分食蚜蝇和所有食蚁蝇)中食植物,或在植物的各种部位(提醒食蚜蝇注意)中食植物。本研究首次描述了 Eumerus lyneborgi Ricarte & Hauser, 2020 的第二幼虫阶段(L2)以及 Merodon constans (Rossi, 1794) 的幼虫(L2)和蛹。E. lyneborgi 的幼虫是在纳米比亚(非洲)Cyphostemma juttae (Dinter & Gilg) Desc., 1960(葡萄科)的腐烂茎干中发现的,而 M. constans 的幼虫是在法国(欧洲)Leucojum vernum Linnaeus, 1753(天南星科)的鳞茎中采集到的。通过立体显微镜和扫描电子显微镜观察和成像,研究了幼虫的形态。研究发现,E. lyneborgi 幼虫的头部骨骼属于滤食性,即符合食液营养系统,而 M. constans 的头部骨骼则是典型的植食性。本文描述了缢蛏早期的某些特征,并结合成虫形态和文献中公布的分子信息进行了讨论。本文还提供了一个更新的识别钥匙,用于识别所有已知的缢蛏第三幼虫阶段/蛹。
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On the immature stages of some Merodontini hoverflies (Diptera: Syrphidae) from Europe and Africa

The genera Eumerus and Merodon (Syrphidae: Merodontini) form together the most speciose grouping of hoverflies in the Palaearctic Region. However, little is known about the morphology and biology of their larvae. The few larvae of Eumerus and Merodon that have been uncovered are phytophagous in underground organs of plants (some Eumerus and all Merodon) or saprophagous in a variety of plants' parts (the reminder of Eumerus). In this study, the second larval stage (L2) of Eumerus lyneborgi Ricarte & Hauser, 2020 and both the larva (L2) and puparium of Merodon constans (Rossi, 1794) are described for the first time. Larvae of E. lyneborgi were found in a decaying stem of Cyphostemma juttae (Dinter & Gilg) Desc., 1960 (Vitaceae) in Namibia (Africa), while larvae of M. constans were collected in bulbs of Leucojum vernum Linnaeus, 1753, (Amaryllidaceae) in France (Europe). Morphology of the immature forms was studied by observation and imaging with stereomicroscopy and scanning electron microscopy. The head skeleton of E. lyneborgi larvae was found to be of the filter feeding type, i.e., in accordance with a saprophagous trophic regime, while that of M. constans was typically phytophagous. Variability in certain characters of the M. constans early stages is described and discussed in relation to the adult form and molecular information published in literature. An updated identification key to all known third larval stages/puparia of Merodon is provided.

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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.
期刊最新文献
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