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A new genus of Empididae (Diptera) with enlarged postpedicels in mid-Cretaceous Burmese amber
Historical Biology ( IF 1.4 ) Pub Date : 2020-03-21 , DOI: 10.1080/08912963.2020.1743700
George O. Poinar 1 , Fernando E. Vega 2
Affiliation  

ABSTRACT

A new genus and species of Empididae (Diptera) in mid-Cretaceous Burmese amber is described as Neoalavesia hadroceria gen. et sp. nov. in the subfamily Atelestinae. The male is characterised by its small size, unique wing venation with reduced cell dm and the greatly expanded postpedicels that may have been used as sexual attractants. A novel feature of the fossil is a small, elongate, glutinous structure containing numerous filiform, sperm-like bodies adjacent to the abdominal terminus.



中文翻译:

中白垩世缅甸琥珀中具有增大的后梗的Empididae(双翅目)新属

摘要

中白垩世缅甸琥珀中的一个新属和种 Empididae(双翅目)被描述为Neoalavesia hadroceria gen。等 sp. 十一月 在亚科 Atelstinae 中。雄性的特点是体型小,具有独特的翅脉,细胞 dm 减少,后花梗大大扩大,可能被用作性引诱剂。该化石的一个新特征是一个小的、细长的、粘性的结构,在腹部末端附近包含许多丝状、精子状的身体。

更新日期:2020-03-21
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