Abstract
The mid-Cretaceous amber from Kachin State of Myanmar provides a well-diversified fauna of aulacid wasps. Here we describe a new aulacid genus and species, Paleoaulacus minutus gen. et sp. nov. This discovery highlights the underestimated diversity of aulacid wasps in Burmese Albian–Cenomanian amber. Interestingly, Paleoaulacus minutus gen. et sp. nov. shares wing venation and body characters with the tribes Electrofoenini and Aulacini, challenging a clear placement. Future discoveries of additional specimens are necessary to precise its position or erect a new tribe to accommodate this peculiar genus. This fossil also shows a developed wing venation, similar to that of the extant genus Aulacus Jurine, 1807.
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