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A Taxonomic and Distributional Study of Simuliidae of Western United States1

1943; Oxford University Press; Volume: 36; Issue: 2 Linguagem: Inglês

10.1093/aesa/36.2.259

1938-2901

G. S. Stains, George F. Knowlton,

Aquatic Invertebrate Ecology and Behavior

Simuliidae, usually called black-flies or buffalo gnats, are abundant both as individuals and species in Utah and other western states.3 The present report is an outgrowth of the study of blood-sucking flies and began at the time when equine encephalomyelitis was killing a large number of horses in Utah. It is known that certain diseases and parasites are transmitted through the feeding of female Simuliidae, and these frequently feed in large numbers on horses, other livestock, wild life and even annoy man. The species and distribution of these economically important pests are incompletely known in the west. Only material collected west of the Mississippi River is included, the bulk being taken from the Rocky Mountain area; most of this material is deposited in the Utah Agricultural Experiment Station insect collection.