A genus of biting gnats or midges of the family Simuliidae that includes various species that transmit the causative agent of human onchocerciasis.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Examples from the Web for simulium

Historical Examples of simulium

  • The creeping gnat (Simulium reptans) is also very annoying in Sweden.


    T. Spencer Cobbold

  • Most of the other species of Simulium which have been studied seem to be single brooded.

    Handbook of Medical Entomology

    William Albert Riley

  • We learn from this author that the sting or bite of the Simulium is as bad as that of the Stomoxys before noticed.

  • The pupae of Simulium rest in their curious little cup-like dwellings, attached to submerged stones or plants.

    The Life-Story of Insects

    Geo. H. Carpenter

  • Most remarkable, in many respects, of all aquatic larvae are the grubs of the Sand-midges (Simulium).

    The Life-Story of Insects

    Geo. H. Carpenter