Usage examples (27)

• The Simulium, whose secondary host is the black fly, is common in all fast - flowing, unshaded streams.
• Microfilariae produced in one person are carried to another by the blackfly, which in West Africa belongs to the Simulium damnosum species complex.
• The disease, transmitted by black flies of the Simulium species whose bite can be extremely unpleasant, has in the past devastated local communities.
• The larvae of the blackfly (Simulium damnosum spp.) live attached to a substrate in the fast flowing parts of rivers, where they filter out particles for their nutrition.