“…Several ecological classifications exist for fungivorous beetles, and we classify them into three main categories which the beetles were associated with their fungal host (Scheerpeltz and Höfler, 1948;Benick, 1952;Graves, 1960;Höfler, 1960;Lawrence, 1973;Newton, 1984;Klimaszewski and Peck, 1987;Lawrence and Milner, 1996;Cline and Leschen, 2005;Krasutskii, 2007;Jung and Lee, 2011), as follows: 1) Mycetobionts (MB) which are obligatory fungal inhabitants, feeding and breeding on the fun- …”