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    Veterinary Ectoparasites

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    Bethany Crawford
    This document summarizes various parasites that affect mammals and humans, including fleas, ticks, mites, lice, and nematodes. It lists the scientific and common name of each parasite, along with the class, order, species affected, a brief description, and any diseases they may transmit. Some of the parasites discussed include the cat flea, sucking lice, ear mites, scabies mites, Demodex mites, ticks such as the deer tick and lone star tick, and nematodes that can infect horses or humans like Dracunculus.

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    Veterinary Ectoparasites

    Uploaded by

    Bethany Crawford
    1K views3 pages
    This document summarizes various parasites that affect mammals and humans, including fleas, ticks, mites, lice, and nematodes. It lists the scientific and common name of each parasite, along with the class, order, species affected, a brief description, and any diseases they may transmit. Some of the parasites discussed include the cat flea, sucking lice, ear mites, scabies mites, Demodex mites, ticks such as the deer tick and lone star tick, and nematodes that can infect horses or humans like Dracunculus.

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    This document summarizes various parasites that affect mammals and humans, including fleas, ticks, mites, lice, and nematodes. It lists the scientific and common name of each parasite, along with the class, order, species affected, a brief description, and any diseases they may transmit. Some of the parasites discussed include the cat flea, sucking lice, ear mites, scabies mites, Demodex mites, ticks such as the deer tick and lone star tick, and nematodes that can infect horses or humans like Dracunculus.

    Copyright:

    Attribution Non-Commercial (BY-NC)
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    1K views3 pages

    Veterinary Ectoparasites

    Uploaded by

    Bethany Crawford
    This document summarizes various parasites that affect mammals and humans, including fleas, ticks, mites, lice, and nematodes. It lists the scientific and common name of each parasite, along with the class, order, species affected, a brief description, and any diseases they may transmit. Some of the parasites discussed include the cat flea, sucking lice, ear mites, scabies mites, Demodex mites, ticks such as the deer tick and lone star tick, and nematodes that can infect horses or humans like Dracunculus.

    Copyright:

    Attribution Non-Commercial (BY-NC)
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    of 3

    Scientific Name

    Common Name

    Class

    Order

    Species Affected

    Description

    Diseases Transmitted by

    Ctenocephalides felis

    Flea

    Insecta

    Siphonaptera

    Mammals, Avian

    Species-specific, adults do not like to leave host

    Causes: Flea Allergy Dermatitis & Milliary Dermatitis Transmits: Bartonella sp., rickettsiae, filarid & cestode parasites,

    Haematopinus, Soenopotes capillatus ,

    Sucking Lice

    Insecta

    Anoplura

    Sheep, Swine, Monkeys, Dogs (DO NOT parasitize birds & cats)

    larger than Mallophaga, head is narrower at thorax, live on skin, eggs on hair Causes: Pediculosis, Severe Anemia, shaft, Ingest Blood Transmitted: Direct & Fomites

    Damalinia bovis

    Chewing/Biting Lice

    Insecta

    Mallophaga

    smaller than Anoplura, Birds, Dogs, Cats, head is wider at thorax, live Cattle, Sheep, Goats, on skin, eggs on hair shaft, Causes: Pediculosis, Transmitted: Direct Horses Ingest blood & Fomites

    Otodectes cynotis

    Ear Mites

    Arachnidia

    Astigmata

    Dogs, Cats, Ferrets

    Transmission: Direct, Found in external ear canal, feed on epidermal debris, highly contagious Causes: Otitis externa

    Sarcoptes scabei sp. Notoedres cati (cats)

    Scabies (have pedicles on legs)

    Arachnida

    Transmission: direct & Mammals, fomites, entire lifecycle ZOONOTIC but often occurs on animal, live in epidermis Sarcoptiformes self-limiting

    Causes: Sarcoptic acariasis (scabies), extremely pruritic

    Demodex sp. (canis, equi, Demodex (8-legged ovis, cati, bovis, caprae ) Alligator)

    Arachnida

    Trombidiformes Mammals

    species-specific, cats rarely infected, live in hair follicles & sebaceous glands, canine demodex are thinner than Causes: Demodicosis (usually in immune feline, transmission: direct compromised animals), not pruritic

    Cheyletiella sp.

    Walking Dandruff (hooklike accessory mouthparts & comb-like structures at tip of legs)

    Arachnida

    reside in keratin layer of Dogs, Cats, Rabbits, skin & ingest debris, ZOONOTIC but self- Transmission: Direct & Fomites Trombidiformeslimiting

    Causes: Pruritis

    Demacentor variabilis

    American Dog Tick, Wood Tick

    Arachnida

    Ixodida

    Rodents, Dogs, Humans

    inhabits grassy areas

    Causes: Tick Paralysis, Anemia Transmits: Human Granulocytic Ehrlichiosis, Turalemia, Cytauxzoonosis, Rocky Mountain Spotted Fever,

    Ripicephalus sanguineus

    Brown Dog Tick

    Arachnida

    Ixodida

    Dogs

    infests buildings/kennels

    Causes: Tick paralysis, Anemia Transmits: Canine Ehrlichiosis, Rocky Mountain Spotted Fever, Babiesa canis , Hepatozoonosis, Haemabartonellosis

    Amblyomma americanum

    Lone Star Tick

    Arachnida

    Ixodida

    Causes: Tick Paralysis, Anemia Transmits: Rocky Mountain Spotted Fever, Tularemia, Q Fever, Human found in Midwest & Monocytic Ehrlichiosis, Southern TickDogs, Cats, Humans, Southern U.S., found on Associated Rash Illness (STARI) in wildlife head, belly, & flanks of host humans

    Ixodes scapularis

    Deer Tick (black-legged, females have a red lower half)

    Arachnida

    Ixodida

    Deer, Humans, livestock, Birds

    infests wooded, trails, and scrub areas

    Causes: Tick Paralyisis, Anemia Transmits: Lyme Disease (Borrelia burgdorferi ), Human Granulocytic Ehrlichiosis, Human Babesiosis, Encephalitis,

    Reduvid sp.

    Kissing Bugs

    Insecta

    Hemiptera

    Mammals, Humans

    periodic parasites

    Trypanosoma cruzi (Chaga's disease)severe protozoan disease in dogs & humans

    Trombicula sp.

    Chigger (red to yellow color)

    Arachnidia

    larvae are parasitic, Birds, Mammals, Trombidiforma Humans

    feed on serous tissues, digests host cells, leaves host after feeding

    Causes: orange crusting dermatosis

    Amblyomma maculatum Gulf Coast Tick

    Arachnida

    Ixodida

    found on ears of host, livestock, dogs, cats, severe bites & painful wildlife, Humans swellings

    Causes: Tick Paralysis

    Boophilus annulatus

    Texas Cattle Fever tick (North American Tick)

    Arachnida

    Ixodida

    Cattle

    eradicated from the U.S., must be reported if found, stays on the host for entire Transmits: Babesia bigemia (cattle), lifecycle Causes: Anemia nematodes found in stomach mucosa of horses, cause skin lesions (summer sores) in horses, flies are Causes: Summer sores, Gastritis, Colic, intermediate host Diarrhea found in subcutaneous tissues of the skin, crustaceans are intermediate host, dogs infected by drinking water containing crustaceans

    Habronema sp.

    Habronema

    Secernentea Spirurida

    Horses

    Dracunulus insignis References:

    Dracunuculus (Guinea Worm)

    Secernentea

    Spirurida

    Dog, Humans

    Causes: ulcerous skin lesion

    Merck Veterinary Manual. Retrieved Nov 11, 2010, from: http://www.merckvetmanual.com Hendrix, Charles M. & Robinson, Ed. (2006). Diagnostic Parasitology for Veterinary Technicians. St. Louis: Mosby Elsevier. Images From: http://www.icb.usp.br/~marcelcp/ http://cal.vet.upenn.edu/projects/paraav/labs/sarcop.htm http://www.biosurvey.ou.edu/okwild/misc/lstick.html http://www.k-state.edu/parasitology/625tutorials/Nematodes11.html http://bugguide.net/node/view/307899/bgimage http://www.forestryimages.org/browse/ http://instruction.cvhs.okstate.edu/kocan/vpar5333/ http://bugguide.net/node/view/56694 http://www.k9ticktalk.com/

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