New stenurothripid thrips from mid-Cretaceous Kachin amber (Thysanoptera, Stenurothripidae)

Authors: Guo, Dawei Country: Myanmar DOI: 10.3897/zookeys.1192.117754 Published: Jan. 1, 2024 Source: ZooKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Cenomanian · Topics: Fossil Insects in Amber, Plant and animal studies, Hymenoptera taxonomy and phylogeny

Hitherto, only two species of the thysanopteran suborder Terebrantia have been reported from mid-Cretaceous Kachin amber (Myanmar). This is here expanded through the discovery of two new genera and species, described and figured as Parallelothrips separatus gen. et sp. nov. and Didymothrips abdominalis gen. et sp. nov., both of the family Stenurothripidae. Both taxa have key apomorphies of the Stenurothripidae, allowing for a confident assignment as to family. Both species have characteristic comb-like anteromarginal setae, which are discussed along with structural differences between the two sexes. Cycad pollen was found on the thrips’ bodies, providing further evidence that Thysanoptera were pollinators of gymnosperms during the mid-Cretaceous.

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