New species in the Elachista praelineata species group (Lepidoptera, Elachistidae, Elachistinae) from East Africa, with identification keys to the Afrotropical species

Four new species, <i>Elachista silfverbergi</i> <b>sp. nov.</b> from Ethiopia and Kenya, <i>E. griseifrons</i> <b>sp. nov.</b> from Ethiopia, <i>E. levis</i> <b>sp. nov.</b> from Tanzania, and <i>E. conica</i> <b>sp. nov.</b> from Ethiopia are described. The habitus and genitalia are diagnosed and illustrated in detail. Identification keys to the Afrotropical species of the <i>E. praelineata</i> species group, based on male and female genitalia, are provided.