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Research Article

Two new genera and species of Oecanthidae (Orthoptera: Grylloidea) from Mid-Cretaceous of Myanmar

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Pages 417-427 | Accepted 13 Nov 2023, Published online: 15 Dec 2023
 

Summary

We describe two new genera with two new species, Crassicorpus maculatus n. gen., n. sp., and Ordicalcaratus inconditus n. gen., n. sp., based on two specimens from northern Myanmar amber. Crassicorpus maculatus n. gen., n. sp. can be characterized by its pro- and mesotibia with two inner apical spurs and one outer apical spur; metabasitarsus with two long apical spurs and two dorsal spines; and CuPb crossing the harp. Ordicalcaratus inconditus n. gen., n. sp. can be characterized by its metatibia only with inner subapical spurs and outer spines; basitarsus with a pulvillus gradually becoming wider toward apex; and second tarsomere with a small pulvillus.

Résumé

Deux nouveaux genres et espèces d'Oecanthidae (Orthoptera : Grylloidea) du Crétacé moyen du Myanmar. Nous décrivons deux nouveaux genres avec deux nouvelles espèces, Crassicorpus maculatus n. gen., n. sp., et Ordicalcaratus inconditus n. gen., n. sp., basés sur deux spécimens de l'ambre du nord du Myanmar.Crassicorpus maculatus n. gen., n. sp.peut être caractérisé par ses pro- et mésotibia avec deux éperons apicaux internes et un éperon apical externe ; métabasitarse avec deux longs éperons apicaux et deux épines dorsales ; et CuPb traversant la harpe. Ordicalcaratus inconditus n. gen., n. sp. peut être caractérisé par son métatibia uniquement avec des éperons sous-apicaux internes et des épines externes ; basitarse avec un pulvillus s'élargissant progressivement vers l'apex ;et deuxième tarsomère avec un petit pulvillus.

Acknowledgements

We are grateful to the editor and the reviewers for providing us with valuable suggestions and comments to improve this manuscript. We thank Prof. Li-Bin Ma for his help in this article. This work was supported by the National Natural Science Foundation of China (grant numbers 42372013, 41872020).

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work was supported by the National Natural Science Foundation of China (grant numbers 42372013, 41872020).

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