Some Factors Influencing Feeding Activity of Simuliids in the Field

Abstract

Observations on the feeding of simuliid flies on turkeys show that there is considerable fluctuation in the activity of the flies. There may be times ranging from a few minutes to a whole day when no flies appear, or they may appear in large numbers and swarm around and crawl over turkeys without any, or at most very reluctant feeding; whereas at other times they appear and feed readily, often appearing with a vim and feeding promptly.