si·mu·li·um (sə-myōō'lē-əm) n. Any of a genus (Simulium) of black flies, several species of which transmit the parasitic filarial worms that cause onchocerciasis.
[New Latin Simulium, genus name, from Latin simulāre, to simulate; see simulate.]
Main Entry: Si·mu·li·um Pronunciation: si-'myü-lE-&m Function: noun : the type genus of the family Simuliidae comprisingdark-colored bloodsucking dipteran flies of which some are vectors of onchocerciasis or of protozoan diseases of birds —see BLACKFLY
Simulium Si·mu·li·um (sĭ-my&oomacr;'lē-əm) n. A genus of biting gnats or midges of the family Simuliidae that includes various species that transmit the causative agent of human onchocerciasis.