南美狼蛛一新属(狼蛛科:狼蛛科)

IF 1.5 2区 农林科学 Q2 ENTOMOLOGY Arthropod Systematics & Phylogeny Pub Date : 2022-02-16 DOI:10.3897/asp.80.e76339
Á. Laborda, Leticia Bidegaray‐Batista, M. Simó, A. Brescovit, Carolina Beloso, L. Piacentini
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引用次数: 1

摘要

异科亚科的分类学和系统学知之甚少,尤其是在南美洲。在上个世纪,有几个物种被描述为其他亚科的属,或者被转移到它们身上,这在异科的知识上造成了极大的混乱。在本研究中,我们提出了一个新属,Abaycosagen。nov.包含两个先前描述的物种,Orinocosa paraguensis(Gertsch&Wallace 1937)和Pardosa nanicaMello Leitão 1941。此外,我们提出了两个同义词,Pardosa flammula Mello Leitão 1945作为Abaycosa nanica(Mello Leitão 1941)的初级同义词,comb。nov.和Alopecosa roseaMello Leitão 1945作为Abaycosa paraguensis的初级同义词(Gertsch&Wallace 1937),comb。nov.利用分子特征进行的系统发育分析结果将Abaycosa归入异科亚科,这也得到了形态学数据的支持。Abaycosa可以通过以下特征与其余的异科动物区分开来:在雄性动物中,只有一个巨大的远端和一块平坦的刚毛位于钹尖,在雌性动物中,通过外阴室的腹侧位置和受精囊的短而结实的柄。
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Abaycosa a new genus of South American wolf spiders (Lycosidae: Allocosinae)
The taxonomy and systematics of the subfamily Allocosinae are poorly known, especially in South America. In the last century, several species have been described in genera from other subfamilies or transferred to them creating great confusion in the knowledge of Allocosinae. In this study we propose the new genus, Abaycosagen. nov. to contain two species previously described, Orinocosa paraguensis (Gertsch & Wallace 1937) and Pardosa nanicaMello-Leitão 1941. Additionally, we propose two synonyms, Pardosa flammulaMello-Leitão 1945 as a junior synonym of Abaycosa nanica (Mello-Leitão 1941), comb. nov. and Alopecosa roseaMello-Leitão 1945 as a junior synonym of Abaycosa paraguensis (Gertsch & Wallace 1937), comb. nov. The results of the phylogenetic analysis using molecular characters place Abaycosa in the subfamily Allocosinae, which is also supported by morphological data. Abaycosa can be distinguished from the remaining Allocosinae by the following characters: in males by the presence of only one distal macrosetae and a patch of flat setae on the tip of the cymbium, in females by the ventral position of the vulval chamber and by the short and stout stalk of the spermathecae.
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来源期刊
Arthropod Systematics & Phylogeny
Arthropod Systematics & Phylogeny Agricultural and Biological Sciences-Insect Science
CiteScore
2.50
自引率
5.60%
发文量
26
审稿时长
12 weeks
期刊介绍: Arthropod Systematics & Phylogeny releases three times per year. Research fields covered are the taxonomy, morphology/anatomy, phylogeny (molecular or morphology-based), historical biogeography and palaeontology of arthropod taxa. Arthropod Systematics & Phylogeny is the successor of Entomologische Abhandlungen, formerly published by the Museum of Zoology Dresden, Germany.
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