Simulium thyolense

Simulium damnosum is a species complex of 55 named cytoforms (cytospecies and cytotypes), the largest known species complex of any vector, insect or animal. Simulium damnosum complex is distributed throughout sub-Saharan Africa and the Arabian Peninsula. Simulium thyolense belongs to this complex, is an onchocerciasis vector and is distributed in Malawi and Tanzania.