Flies, beetles, and mites are often a major concern for commercial poultry operations in the northeastern United States. The high-density, confined housing systems used in poultry production create conditions that favor the development of manure-breeding flies, beetles associated with poultry litter accumulations, and northern fowl mites. Fly populations may create a public health nuisance around the farm and nearby communities, resulting in poor community relations and threats of litigation. Two species of beetles associated with poultry litter and manure accumulations can cause structural damage to poultry housing, serve as potential disease reservoirs, and create community problems at the time of house cleanout. Large northern fowl mite populations can cause direct economic losses by affecting bird health and production.