Min-Min Xu

New material of Sinopsocus oligovenus Lin, 1976 (Hemiptera, Sternorrhyncha, Protopsyllidiidae) with preserved body structures from the Middle Jurassic Daohugou Bed, northeastern China

Protopsyllidioidea is an extinct superfamily of Sternorrhyncha (Hemiptera) known from the late Carboniferous to the late Cretaceous (Hakim et al., 2019; Boderau et al. 2026). It can be distinguished from other hemipterans by the combination of a rather narrow area between C and ScP + R, the absence or scarcity of cross...