The youngest record of the leafhopper family Archijassidae in Kachin amber from the lowermost Upper Cretaceous of northern Myanmar (Cicadomorpha, Cicadelloidea)

The Mesozoic hemipteran family Archijassidae, known from the Late Triassic to the Early Cretaceous, is recorded as the ancestral group of mega-diverse leaf- and treehoppers. On the basis of a fossil contained in Kachin amber from the lowermost Upper Cretaceous of northern Myanmar, we herein erect a remarkably new taxon, Formosixinia aeterna Chen & Wang, gen. et sp. nov. The new genus and species can be assigned to Archijassidae based upon a...