Chorioptes, foot or tail mange

horses, cows, sheep, goats

low path, skin scraping of scabby areas

suckers on ends of legs

ivermectin-like products: eprinomectin, moxidectin

sarcoptes, species spec, report horse, sheep, cattle

itching, self-mutilation, hair loss

"scabies" of dogs and humans

diagnosis: skin scraping

long straight pedicels

selamectin, amitraz, treat contact animals, clean bedding

Psoroptes, cattle & sheep scabies, camelids, elk, goats

v. path, contagious dermatitis, weight loss, alopecia, death, lots of scabs, 2ary infections

skin scraping, KOH digest hairs

long jointed pedicels

ivermectin, eprinomectin, moxidectin

herd quarantine

linognathos, sucking louse of cattle, sheep, goats, dogs

pediculosis: anemia, dry scaly skin, alopecia, poor growth

sucking: pointy head

tx: ORG, ivermectin, fipronil

haematopinus, cow, pig, horse

pediculosis, sucking louse

anemia, dry scaly skin, alopecia, poor growth

pigs: transmit eperythrozoon

sucking: pointy head

tx: ORG, ivermectin

bovicola, bovine, sheep, goat chewing louse

pediculosis

diag: eggs, nymphs, adults

chewing: rounded head

tx: ORG, ivermectin

hypoderma lineatum, hypoderma bovis

under skin on cows, a maggot (larva)

common, northern cattle grub, cattle bot fly

eggs on legs, swelling (warbles) in winter

ivermectin

gastrophilus, horse bot fly

in horses stomachs, maggots (larva)

gastric myiasis

adults resemble honeybees

eggs on legs diagnosis, ivermectin, moxidectin

zoonotic: ocular myiasis

oestrus ovis, sheep nasal bot

in sheep noses! maggots!

zoonotic: oral myiasis

diag: snotty nose, sneezing, larvae in water trough

tx: ivermectin in NOVEMBER

dermacentor andersoni, Rocky mountain wood tick

transmits RMSF

spring/summer, rectangular basis capitulum, abdominal festoons, posterior anal groove

3 host tick

fipronil, amitraz

dermacentor albipictus, winter tick, moose tick

rectangular basis capitulum, abdominal festoons, posterior anal groove

One host tick

fipronil, amitraz

boophilus:one host tick, prefers cattle

trapezoidal basis capitulum, no festoons, no or faint anal groove

transmit babesiosis, to cows and people, and anaplasmosis

reportable. quarantine pasture/farm 6-9 mo

acaricide dips, e.g. amitraz

Otobius, spinous ear tick, cattle, horses, dogs

soft tick, nymphs feed in ear

fipronil, amitraz

musca, housefly, also remember fannia, latrine fly

transmit disease by feet: e.coli, salmonella, habronema

tx: organophosphate pesticide, IGR

sanitation

musca autumnalis transmits thelazia

siphona, horn fly

bite and suck cattle blood

anemia, repro, transmits stephanofilaria

pesticide: ORG, chlorinated hydrocarbons

IGR, sanitation

stomoxys, stable fly

long proboscus

painful biter, bites anything

transmits habronema

insecticides, igr, sanitation

Tabanus, horsefly

painful biter, rips skin

transmits elaeophora, anaplasmosis, tularemia

pesticide

culex, mosquito

transmits bird malaria, heartworm, eq encephalitis, WNV

BTI for aquatic larvae, org, monomolecular film surface

simulium, black flies

transmits leukocytozoon (birds), onchocerca (cows & humans)

onchocerciasis: blindness in humans

org, igr

culicoides, no-see-ems, midges

transmit bluetongue, onchocerca, encephalitis vv.

org, igr?

Lucilia(green), Calliphora(blue), Phormia(black), Chrysomia(grey), Sheep Blowfly
Sheep Blowfly lay eggs on living animals on skin with fleece rot or made raw by urine or diarrhoea. The maggots damage surrounding areas of skin. (strike)

sanitation, crutch & dock, internal parasite control (diarrhea), org/pyrethroids

Cochliomyia, screw-worms

reportable, near erad. in U.S.: sterile male release

liquefactive necrosis and hemorrhage, death

mgmt: winter claving, tick control

melophagus ovinus, sheep ked

suck blood, damage wool, irritate

eliminate by treating flock after shearing

org/pyrethroids