Revision of the Acalles krueperi species group with description of the genus Dichromacalles g.n. and the subgenus Balcanacalles subg. n. (Coleoptera, Cryptorhynchinae). [Cryptorhynchinae studies - 1.] Entomologische Blaetter fuer Biologie und Systematik der Kaefer, 94(1-2), Juli 1998: 11-32. 12 [Zoological Record Volume 135]