Microfilariae are found on the surface of the host. Blackflies feed and ingest the microfilariae. These develop and mature into L3 larvae. The blackflies then feed on another host, which becomes infected. | Microfilariae are found on the surface of the host. Blackflies feed and ingest the microfilariae. These develop and mature into L3 larvae. The blackflies then feed on another host, which becomes infected. |