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A new species of Eucharissa Westwood (Eucharitidae) from South Africa, with an evaluation of the importance of pupae for assessing relationships in these ant parasitoids
Journal of Hymenoptera Research ( IF 1.3 ) Pub Date : 2020-10-30 , DOI: 10.3897/jhr.79.56042
John M. Heraty , Nokuthula Mbanyana , Simon Van Noort

Eucharissa (Hymenoptera: Eucharitidae) is an enigmatic genus within Chalcidoidea. Adults have at least 16 antennal segments, which is shared only by the closely related genus, Saccharissa, with some species of Eucharissa having as many as 22 antennal segments. At most, other Chalcidoidea have up to 14 segments. Phylogenetic analyses place Eucharissa within the poneromorph-ant attacking clade, but until now, the host and immature stages of this genus were unknown. Eucharissa insolitasp. nov. was discovered in two cocoons of Bothroponera granosa (Ponerinae) from South Africa; one a fully developed male and the other a second-instar larva. The larval exuviae present within the cocoons allowed for description of the life stages and comparison with other members of the poneromorph-attacking clade of Eucharitidae. Morphology of the pupa across Eucharitidae is reviewed, and synapomorphies of the immature stages are identified that support monophyly of the poneromorph-attacking clade within the tribe Eucharitini.

中文翻译:

来自南非的一种新的Eucharissa Westwood(Eucharitidae),评估了up在评估这些蚂蚁寄生虫中的关系的重要性

Eucharissa(Hymenoptera:Eucharitidae)是Chalcidoidea中的一个神秘属。成虫至少有16个触角节,只有密切相关的属Saccharissa才共有,某些种类的Eucharissa触角节多达22个。最多,其他金缕梅有多达14个片段。系统发育分析把Eucharissa放在半形体攻击进化枝中,但是直到现在,该属的寄主和未成熟阶段还是未知的。Eucharissa insolitasp。十一月 是在南非的两个Both(Bothroponera granosa)(Ponerinae)的茧中发现的;一个是成熟的雄性,另一个是第二龄幼虫。存在于茧中的幼虫足孔虫可以描述其生命阶段,并与其他真虫科的攻击蛇形的进化枝进行比较。
更新日期:2020-11-02
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