Synonyms: Ceuthorhynchus rugulosus; Ceutorhynchus figuralus; Ceutorhynchus figuratus; Ceutorhynchus melanostigma; Ceutorhynchus rubiginosus; Ceutorhynchus rugulosus; Ceutorhynchus sartus (heterotypic); Cryptorhynchus rugulosus (heterotypic); Curculio cinereus (heterotypic); Curculio melanostigma (heterotypic); Curculio rugulosus (heterotypic); Curculio subrufus (heterotypic); Curculio uni-guttatus; Curculio uniguttatus (heterotypic); Falciger arquatus (heterotypic); Falciger rugulosus (heterotypic); Microplontus cinereus (heterotypic); Microplontus figuratus; Microplontus melanostigma (heterotypic); Microplontus uniguttatus; Rhynchaenus rugulosus (heterotypic); Rhynchaenus uni-guttatus