Remarkable new fossil species of Schistostoma Becker (Diptera: Dolichopodidae: Microphorinae) from mid-Cretaceous Burmese amber

被引：7
|
作者：
Brooks, Scott E. [1 ]
Cumming, Jeffrey M. [1 ]
Grimaldi, David A. [2 ]
机构：
[1] Agr & Agri Food Canada, Canadian Natl Collect Insects Invertebrate Biodiv, Diptera Unit, KW Newby Bldg,960 Carling Ave, Ottawa, ON K1A 0C6, Canada
[2] Amer Museum Nat Hist, New York, NY 10024 USA
来源：
ZOOTAXA | 2019年 / 4624卷 / 01期
关键词：
Empidoidea; Dolichopodidae; Microphorinae; Schistostoma; fossils; Burmese amber; new species; GENUS MICROPHORITES; FRANCE DIPTERA;
D O I：
10.11646/zootaxa.4624.1.8
中图分类号：
Q95 [动物学];
学科分类号：
071002 ;
摘要：
Two closely related and distinctive species of Schistostoma Becker, i.e. Schistostoma burmanicum sp. nov. and Schistostoma foliatum sp. nov., are described from two male specimens preserved in mid-Cretaceous Burmese amber and recorded as the first known fossil representatives of this extant genus of Microphorinae. Both species possess greatly enlarged lamellate fore tibiae and modified leg chaetotaxy that are presumably male secondary sexual features. The generic limits of Schistostoma are briefly discussed and a rationale for the inclusion of these new species is provided.
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收藏
页码：121 / 131
页数：11
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