Two new genera of the Elcanidae (order: Orthoptera) from middle Cretaceous Burmese amber of northern Myanmar

Uchida, Kei

doi:10.1016/j.cretres.2021.105092

Cited by 6 publications

(3 citation statements)

References 17 publications

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“…The drawings and measurements of the specimen were conducted using Adobe Illustrator 25.2. The format of the descriptions follows Xu et al (2020), Du et al (2022), andUchida (2022). The fossil in the present study is well preserved; however, the left antenna, left meta-tibia and left tarsus are damaged.…”

Section: Methodsmentioning

confidence: 76%

“…The ambers were excavated from a mining locality near Tanai Village (26° 21′ N, 96° 43′ E) in the Hukawng Valley of northern Myanmar (Cruickshank and Ko 2003;Dong et al 2015;Uchida 2022). Although the accurate geo-coordinates of the mining site are unknown because of mixup of samples from local miners, the age of amber from Tanai Village has been estimated at approximately 99 Ma (98.8 ± 0.6; earliest Cenomanian) based on the U-Pb dating of zircons from the volcaniclastic matrix of the amber (Cruickshank and Ko 2003;Shi et al 2012).…”

Section: Methodsmentioning

confidence: 99%

“…Much unstudied material is available in collections waiting for its discovery. Some recent interest has led to the description of several new fossil orthopteran species in twenty-first century (e.g., Heads 2009Heads , 2010Otte 2014;Uchida 2022). However, this is not true for higher level taxa.…”

Section: Introductionmentioning

confidence: 99%

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A new Cretaceous orthopteran family of the Caelifera (order: Orthoptera) from Burmese amber of northern Myanmar

Uchida,

Husemann,

Kotthoff

2023

PalZ

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A new family of short horned grasshoppers, Burmecaelidae fam. nov., is described on the basis of a new species: Burmecaelinus armis fam., gen. et sp. nov. While any extant species can clearly be sorted into the Tridactylidea and Acrididea, the new fossil species presented here does not clearly match any of the two groups. The metafemora of the new family are apparently saltatorial and greatly inflated along its entire length, which is similar to extant and Mesozoic Tridactylidae and Ripipterygidae. In contrast, the compound eyes are elongated and protrude from the head dorsally; the elongated area of the pronotum does not cover the abdomen. Although the morphology of the hind legs is shared with Tridactyloidea, the shape of the head and abdomen are more similar to Tetrigoidea and Eumastacoidea. We suggest two hypotheses: (1) the new family emerged at the basis of the superfamilies Tridactyloidea and Acridoidea early in Caeliferan evolution, or alternatively (2) the new family emerged within Tridactyloidea, between the families Tridactylidae and Ripipterygidae. The new family may have emerged when these families split. The phylogenetic placement of the new family needs to be further evaluated in the future based on more specimens.

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Section: Methodsmentioning

confidence: 76%

Section: Methodsmentioning

confidence: 99%

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A new Cretaceous orthopteran family of the Caelifera (order: Orthoptera) from Burmese amber of northern Myanmar

Uchida,

Husemann,

Kotthoff

2023

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New taxa of Pelecinidae (Hymenoptera) from the mid-Cretaceous Burmese amber of Northern Myanmar

Uchida

2023

PalZ

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Three specimens of Pelecinidae preserved in mid-Cretaceous Burmese amber from Northern Myanmar were examined and described. Ampluspelecinus robustus gen. et sp. nov. and Eopelecinus diminutivum sp. nov. of Pelecinidae from mid-Cretaceous Burmese amber are characterized by the shape and size of their mesosoma, metasoma, and wing venation. Ampluspelecinus robustus is distinguished from other pelecinid species by its length ratio of metasomal segments, 2r-rs in the forewing forming an “X” pattern, with Rs2 extending approximately two-thirds toward the forewing apex. E. diminutivum sp. nov. is distinguished by its metasomal length ratio and swollen fore, mid, and hind femora. In addition, both female and male specimens are described from amber, which is unusual because male pelecinid wasps, both extant and extinct, are relatively rare. The male specimen is the smallest Pelenicidae wasp reported to date.

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Three new species of Elcanidae (Insecta: Orthoptera) from Myanmar amber and a discussion about phylogeny, ecology and evolutionary origin of Myanmar-amber Elcanidae

Schall,

Kotthoff,

Husemann

2023

PalZ

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Two new genera of the Elcanidae (order: Orthoptera) from middle Cretaceous Burmese amber of northern Myanmar

Cited by 6 publications

References 17 publications

A new Cretaceous orthopteran family of the Caelifera (order: Orthoptera) from Burmese amber of northern Myanmar

A new Cretaceous orthopteran family of the Caelifera (order: Orthoptera) from Burmese amber of northern Myanmar

New taxa of Pelecinidae (Hymenoptera) from the mid-Cretaceous Burmese amber of Northern Myanmar

Three new species of Elcanidae (Insecta: Orthoptera) from Myanmar amber and a discussion about phylogeny, ecology and evolutionary origin of Myanmar-amber Elcanidae

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