A new genus and species of basal horntail (Hymenoptera, Siricidae) from the Lower Cretaceous of China

Wang, Mei; Rasnitsyn, Alexandr P.; Hou, Gang; Ren, Dong

doi:10.1016/j.cretres.2018.06.006

Cited by 5 publications

(1 citation statement)

References 25 publications

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“…This diversity has been arranged into four subfamilies: Syntexinae Benson, 1935 including S. libocedrii and several fossil species, and three other subfamilies, i.e., Dolichostigmatinae, Kempendajinae and Anaxyelinae, known exclusively from fossils (Rasnitsyn 1968(Rasnitsyn , 1969(Rasnitsyn , 1980(Rasnitsyn , 1990Zhang and Rasnitsyn 2006). To date, 18 genera and 44 species of Anaxyelidae have been described (Rasnitsyn et al 1998;Rasnitsyn and Martínez-Delclòs 2000;Zhang and Rasnitsyn 2006;Ortega-Blanco et al 2008;Kopylov 2018Kopylov , 2019Wang et al 2018;Wang et al 2020: listed in Suppl. material 1).…”

Section: Introductionmentioning

confidence: 99%

A new genus of anaxyelid wood wasps from the mid-Cretaceous and the phylogeny of Anaxyelidae (Hymenoptera)

Gao¹,

Engel²,

Shih³

et al. 2021

JHR

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Two new species of wood wasps (Anaxyelidae), Orthosyntexis elegansgen. et sp. nov. and Orthosyntexis thantisp. nov., are described from mid-Cretaceous Kachin amber. Orthosyntexisgen. nov. exhibits characters and character combinations unique to the family, such as the combination of two mesotibial spurs, a length ratio of forewing 1Rs to 1M<1, a length to width ratio of forewing cell 1mcu ≥ 2, and the presence of 2M+Cu in the hind wing. The new species and morphological characters allow for an exploration of anaxyelid phylogeny. The phylogenetic results indicate that Anaxyelidae are monophyletic and it is suggested to classify the genera in two subfamilies, Syntexinae and Anaxyelinae, the latter including Kempendajinae and Dolichostigmatinae.

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Section: Introductionmentioning

confidence: 99%

A new genus of anaxyelid wood wasps from the mid-Cretaceous and the phylogeny of Anaxyelidae (Hymenoptera)

Gao¹,

Engel²,

Shih³

et al. 2021

JHR

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A new anaxyelid sawfly (Insecta, Hymenoptera, Siricoidea) in mid-Cretaceous Myanmar amber

Wang

Rasnitsyn

et al. 2020

Cretaceous Research

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Revisions, new taxa, and venation transformations of the sawfly family Blasticotomidae sensu lato (Hymenoptera: Tenthredinoidea) highlight the evolution of the basal Hymenoptera

Sun,

Rasnitsyn,

Wedmann

et al. 2024

Zoological Journal of the Linnean Society

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Wing venation pattern is particularly important in the taxonomy and classification of insects, especially for fossil material. There are recognized transformation series that apparently often represent a mainstream in the evolutionary trend of the wing venation of Hymenoptera. One notable instance is the gradual reduction of the subcosta veins from multiple branches to their total absence. Herein, we place four new genera and six new species in the family Blasticotomidae (=Xyelotomidae) of Hymenoptera. They are Xyelocerus abruptus sp. nov., Liberitoma tenella gen et sp. nov., Liberitoma compta sp. nov., Liberitoma incompleta sp. nov., Aduantoma insolita gen. et sp. nov., and Apertoma gen. nov. from the Middle Jurassic of China, and Enspeletoma oligocaenica gen. et sp. nov. from the Upper Oligocene of Germany. The newly discovered species of Liberitoma from China possessed a supernumerary hind branch of vein Sc in its forewing, which has apparently never been recorded before in other hymenopterans, and the unique venation pattern of Aduantoma suggests the possibility of two additional steps of vein Sc transformation before its complete loss. Based on the new findings, Blasticotomidae are proposed to be divided into four subfamilies: Blasticotominae Thomson 1871, Dahurotominae subfam. nov., Pseudoxyelocerinae subfam. nov., and Undatominae subfam. nov.

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A new genus and species of basal horntail (Hymenoptera, Siricidae) from the Lower Cretaceous of China

Cited by 5 publications

References 25 publications

A new genus of anaxyelid wood wasps from the mid-Cretaceous and the phylogeny of Anaxyelidae (Hymenoptera)

A new genus of anaxyelid wood wasps from the mid-Cretaceous and the phylogeny of Anaxyelidae (Hymenoptera)

A new anaxyelid sawfly (Insecta, Hymenoptera, Siricoidea) in mid-Cretaceous Myanmar amber

Revisions, new taxa, and venation transformations of the sawfly family Blasticotomidae sensu lato (Hymenoptera: Tenthredinoidea) highlight the evolution of the basal Hymenoptera

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