Schütte, A. & Stüben, P.E. (2015)

Molecular systematics and morphological identification of the cryptic species of the genus Acalles Schoenherr, 1825, with descriptions of new species (Coleoptera: Curculionidae: Cryptorhynchinae)

. Zootaxa, 3915 (1), 1–51.
https://doi.org/10.11646/zootaxa.3915.1.1