晚始新世罗夫诺琥珀一新属(膜翅目,蚁科)

Q3 Agricultural and Biological Sciences Zoodiversity Pub Date : 2023-01-01 DOI:10.15407/zoo2023.04.323
A. Radchenko
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引用次数: 0

摘要

根据晚始新世Rovno琥珀(乌克兰)的工人,建立了Damzenomyrmex gen. n. (Dlichoderinae),包括Damzenomyrmex ribbeckei sp. n.。我认为Damzenomyrmex是Dolichoderus s.l.的亲戚,并将其归入Dolichoderini部落。Damzenomyrmex与先前建立的Dolichoderus s.l .亚属(属)的代表,如Dolichoderus s.str ., Karawajewella, Acanthoclinea, Monoceratoclinea和Diceratoclinea的中间体电圈的性质有很大的不同。它与hypoclininea的不同之处在于在前外侧角存在角状突起。关于最后一个特征,Damzenomyrmex与Monacis种类相似,但由于其后喙缘非凹,端鳞形状不同,间皮非侧边,以及其他一些特征而与它们明显不同。此外,Damzenomyrmex与所有Dolichoderus s. l.的下颌骨在表皮结构和锯齿模式上有所不同,咀嚼边缘有6-7个小尖齿和一个更长的尖齿,基角明显,基缘无齿或小齿。讨论了晚始新世欧洲琥珀中蚂蚁亚科与其他蚂蚁亚科代表的比较组成。
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A New Ant Genus (Hymenoptera, Formicidae) from the Late Eocene Rovno Amber
Based on workers from the Late Eocene Rovno amber (Ukraine), Damzenomyrmex gen. n. (Dlichoderinae) is established to include Damzenomyrmex ribbeckei sp. n., which is described here. I consider Damzenomyrmex to be a relative of Dolichoderus s. l. and assign it to the tribe Dolichoderini. Damzenomyrmex differs well from representatives of the previously established subgenera (genera) of Dolichoderus s. l., such as Dolichoderus s. str., Karawajewella, Acanthoclinea, Monoceratoclinea and Diceratoclinea by the nature of the mesosomal armature. It differs from the species of Hypoclinea in the presence of horn-like projections on the anterolateral corners of the pronotum. Regarding the last character, Damzenomyrmex reminds the species of Monacis, but readily differs from them by the non-concave posterior propodeal margin, a different shape of the petiolar scale, a not laterally marginated mesonotum, and some other characters. Furthermore, Damzenomyrmex differs from all Dolichoderus s. l. species in the cuticular structure and in the serration pattern of the mandibles, with the masticatory margin having 6–7 minor sharp teeth and a much longer apical one, the basal angle distinct and the basal margin lacking teeth or denticles. The comparative composition of Dolichoderinae and representatives of other ant subfamilies in late Eocene European ambers is considered.
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来源期刊
Zoodiversity
Zoodiversity Agricultural and Biological Sciences-Animal Science and Zoology
CiteScore
1.20
自引率
0.00%
发文量
29
审稿时长
8 weeks
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