A new, unusually large, Clavicornaltica Scherer, 1974 flea beetle from Borneo, described and sequenced in the field by citizen scientists (Coleoptera, Chrysomelidae, Galerucinae)

A new species of <i>Clavicornaltica</i> from Brunei Darussalam is described, <i>C.mataikanensis</i> Otani et al., sp. nov. This is the second species of this genus recorded from Ulu Temburong National Park.