一种来自始新世波罗的海琥珀的新化石物种——欧洲细隐翅虫（鞘翅目：隐翅虫科：细隐翅虫亚科）。

A new fossil species of Euroleptochromus Jałoszyński (Coleoptera: Staphylinidae: Scydmaeninae) from Eocene Baltic amber.

作者信息

Yin Zi-Wei, Cai Chen-Yang

机构信息

Department of Biology, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, P. R. China.

出版信息

Zootaxa. 2018 Oct 15;4500(1):146-150. doi: 10.11646/zootaxa.4500.1.10.

DOI:10.11646/zootaxa.4500.1.10

PMID:30486084

Abstract

A new species of the extinct scydmaenine genus Euroleptochromus Jałoszyński (Mastigitae: Leptochromini), E. tuberculatus Yin Cai, sp. nov., is described from Eocene Baltic amber. It can be separated from the two previously known congeners by the different proportions of the body parts and spination of the profemur, and more importantly, lack of an elongate postgenal process of the head. Our finding demonstrates for the first time a notable variability of the postgenal structures within Euroleptochromus.

摘要

一种已灭绝的细犬花蚤属（Euroleptochromus Jałoszyński）（犬花蚤亚科：细犬花蚤族）的新物种——瘤突细犬花蚤（Euroleptochromus tuberculatus Yin Cai），从始新世波罗的海琥珀中被描述出来。它可以通过身体各部分的不同比例以及前股节的刺化与之前已知的两个同属物种区分开来，更重要的是，它没有头部细长的后颊突。我们的发现首次证明了细犬花蚤属内后颊结构存在显著变异性。