Sampled Adelenina (Diaperinae: Diaperini: Adelinina) aedeagi A Sitophagus hololeptoides (Laporte) B Adelina plana (Fabricius) C Alphitophagus bifasciatus (Say) D Gnatocerus cornutus (Fabricius) Abbreviations: bap - basal apophyses, cl - “clavae”, ml - median lobe, par - parameres, bp - basal portion of aedeagus, cm - connective membrane.