University of California, Riverside

Insect Pests of Animals

Pests of Poultry

Pests of Poultry

House Fly

House fly (Musca domestica L.)

The house fly (Musca domestica) is a cosmopolitan pest of humans and domestic animals. House flies are generally found in greatest numbers during the hotter summer months. While commonly associated with animal facilities, house flies can also be common in urban areas where garbage, particularly food waste, is not well managed... Read more

Little House Fly

Little house fly (Fannia canicularis [L.])

Where numerous, the little house fly can cause considerable nuisance due to the aggregation of males into mating swarms within building entryways, patios, and other locations near developmental sites that are protected from wind and direct sunlight. Male swarms typically form about 5-6 feet off the ground, putting them at a height where... Read More


Black garbage fly (Hydrotaea spp.)

Pest note in Preparation


Black soldier fly (Hermetia illucens [L.])

Pest note in Preparation

Northern Fowl Mite

Northern fowl mite (Ornithonyssus sylviarum [Canestrini and Fanzago])

The northern fowl mite (NFM) is the primary ectoparasite on US poultry and is found on over 70 species of bird. It can become a serious pest especially on chickens (layers, breeders) and turkeys. The mites are permanent ectoparasites that live on the feathers and travel to... Read More


Mosquitoes (Culicidae)

The blood feeding habits of mosquitoes has a significant impact on the health and quality of life for humans, pets and livestock. In some developing countries, individuals can receive 50 to 100 bites per night! When poorly managed, significant numbers of biting mosquitoes will negatively affect economies that depend on outdoor... Read More

Chicken mite

Chicken mite (Dermanyssus gallinae [De Geer])

The chicken mite, or poultry red mite, is a blood-feeding parasite of poultry. Mites spend most of their time off chickens in crack and crevice harborages, traveling at night to feed on birds. Chicken mites have become a huge problem in European commercial enriched cage and cage-free poultry... Read More

Chicken Body Louse

Chicken Lice

There are many different species of lice that can infest chickens. These include the chicken body louse (Menacanthus stramineus), shaft louse (Menopon gallinae), fluff louse (Goniocodes gallinae),  wing louse (Liperus caponis), and chicken head louse (Cuclotogaster heterographus)... Read More

Bed Bug

Bed bug (Cimex lectularius L.)

Bed bugs are known as human parasites, but these bugs can also infest chickens. Bed bugs do not remain permanently on their host, but instead spend most of their time in cracks and crevices of nearby structures traveling to the host at night to feed. They are not usually found in poultry facilities where... Read More

Sticktight Flea

Sticktight flea (Echidnophaga gallinacea [Westwood])

Sticktight fleas are ectoparasites that, as adults, embed themselves into the skin of chickens, turkeys, and other animals. They are usually not problematic in poultry systems where birds are housed in cages suspended above the ground. Sticktight fleas are most common in... Read more

Fowl tick

Fowl tick (Argas spp.)

Pest note in Preparation

Litter Beetle

Litter Beetle (Alphitobius diaperinus [Panzer])

The litter beetle (also called the lesser mealworm beetle) is a common pest associated with commercial (and sometimes backyard) poultry where they can be abundant in the poultry litter or manure. Beetle populations can reach high levels in both caged and cage-free... Read More

More Information

General Campus Information

University of California, Riverside
900 University Ave.
Riverside, CA 92521
Tel: (951) 827-1012

Department Information

Alec C. Gerry, Ph.D.
Assoc. Professor and Extension Specialist

Veterinary Entomology Laboratory 367
University of California at Riverside

Mike Lewis
Website Administrator: