The Oldest Representatives of Tree Crickets (Orthoptera: Gryllidae; Oecanthinae) from Northern Myanmar

The Oldest Representatives of Tree Crickets (Orthoptera: Gryllidae; Oecanthinae) from Northern Myanmar

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The abundance of insects k24a4 block in Burmese amber illustrates a highly diverse insect community of the mid-Cretaceous, but the records of crickets are relatively rare.Here, we erect two new genera with two new species, Birmanioecanthus haplostichus gen.et sp.nov.

and Apiculatus cretaceus gen.et sp.nov., based on two new specimens from northern Myanmar amber.

These new species can be assigned to the trojan gravity flow barrel waterer kit subfamily Oecanthinae (Orthoptera: Gryllidae) by their prognathous head, slender body and metatibiae, and protibiae with large tympana.These new findings are the first and earliest fossil record of tree crickets and shed light on the evolution of Oecanithinae.