Chorioptes bovis — chorioptic mange
The mange mite Chorioptes occurs on cattle and other domestic animals and wildlife around the world, including in Canada.
Culicoides species — biting midges or no-see-ums
Midges of the genus Culicoides occur around the world, including in Canada. Adult females must blood-feed on animals, producing painful bites prior to laying eggs.
Dermacentor albipictus
Dermacentor albipictus (the winter tick or moose tick) is a large reddish-brown to gray-brown tick. In Canada, D. albipictus is found in all provinces and territories, appearing as far north as the southern Yukon.
Dermacentor andersoni -- horses
Dermacentor andersoni is a large reddish-brown to gray-brown tick. In Canada, it is found from central Saskatchewan and west through Alberta and into British Columbia.
Dermacentor variabilis: American dog tick
Dermacentor variabalis is a large reddish-brown to gray-brown tick. In Canada, D. variabilis is found from eastern Saskatchewan and east through to Nova Scotia, primarily in the southern portions of each province.
Haematobia irritans
The hornfly Haematobia irritans occurs in association with cattle around the world, including in Canada.
Hypoderma bovis and H. lineatum
Hypoderma bovis and Hypoderma lineatum are the common warble flies of cattle, and occasionally other hosts, in the northern hemisphere.
Lice: chewing and sucking species
Sucking and chewing lice occur on cattle around the world. The life cycle is direct and all life cycle stages - adults, eggs (nits), larvae and nymphs occur on the host.
Musca autumnalis
The face fly Musca autumnalis occurs on cattle and sometimes horses around the world, including in Canada.
Otobius megnini
The Argasid (soft) tick Otobius megnini, the spinose ear tick, infects cattle, sheep, dogs, horses and occasionally people in and North America, including Canada, as well as South America, India, and South Africa.
Sarcoptes species — sarcoptic mange or scabies in cattle
Burrowing mites of the genus Sarcoptes infest cattle, sheep, goats and a range of other hosts around the world.
Simulium species — black flies or buffalo gnats
Flies of the genus Simulium (blackflies or buffalo gnats) occur in almost all parts of the world, including Canada.
Stomoxys calcitrans — stable fly
The stable fly Stomoxys calcitrans occurs around the world. The life cycle involves egg laying in faeces or decaying and damp organic material, for example straw bedding.