- 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
The creeping gnat (Simulium reptans) is also very annoying in Sweden.Parasites
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.An Introduction to Entomology: Vol. I (of 4)
The pupae of Simulium rest in their curious little cup-like dwellings, attached to submerged stones or plants.
Most remarkable, in many respects, of all aquatic larvae are the grubs of the Sand-midges (Simulium).