Figures 19-24 from: Yunakov N, Kirejtshuk A (2011) New genus and species of broad-nosed weevils from Baltic amber and notes on fossils of the subfamily Entiminae (Coleoptera, Curculionidae). ZooKeys 160: 73-96. https://doi.org/10.3897/zookeys.160.2108

Figures 19-24 - Protonaupactus sobrinus (Voss, 1972), holotype, male. 19 body, dorsal view 20 elytral declivity, posterior view 21 head and pronotum, dorsal view 22 body, lateral view 23 rostrum, dorsal view (transverse sulcus, indicated by dashed line, hidden by dense scale vestiture) 24 antennal club. Abbreviations: es epistomal setae, ts transverse sulcus. Body length: 4.5 mm.