Further notes on African species of the genus Crambus Fabricius, 1794 (Lepidoptera: Pyraloidea, Crambidae)

Four new species of Crambus Fabricius related to Crambus tessellatus Hampson: Crambus amani sp. nov. from Tanzania, Crambus dzalanyama sp. nov. from Malawi, Crambus karsholti sp. nov. from Tanzania and Crambus pusillulus sp. nov. from Kenya along with a fifth new species, Crambus haendeli sp. nov. from Kenya, related to C. mozarti Bassi and allied, are described and illustrated.