Taxonomic studies on the hydrophilid genus Enochrus Thomson, 1859. Part 2: the African species of the subgenus Methydrus Rey, 1885. A: the Enochrus meracus group. (Coleoptera, Hydrophilidae). Beitraege zur Entomologie, 51(2) 2001: 375-391. 384 [Zoological Record Volume 138]