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COMMON ARTHROPODS AND PESTS OF COMPANION ANIMALS. Dr. Randy Wilson College of Veterinary Medicine and Biological Sciences Department of Pathology. Medically important Arthropods to pets and people. AKA - Who bit me and should I be worried?. CLASS:ARACHNIDA SPIDERS (order: Arachnida).

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COMMON ARTHROPODS AND PESTS OF COMPANION ANIMALS


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    1. COMMON ARTHROPODS AND PESTS OF COMPANION ANIMALS Dr. Randy Wilson College of Veterinary Medicine and Biological Sciences Department of Pathology

    2. Medically important Arthropods to pets and people AKA - Who bit me and should I be worried?

    3. CLASS:ARACHNIDASPIDERS(order: Arachnida) • Tarantulas - Theraphosidae - • These can occasionally cause bite wounds but uncommon. Generally mild • Widow Spiders - Latrodectus • Not uncommon. Can be severe lesions / reactions • Brown Recluse Spider - Loxosceles • Rare. Can cause severe localized lesions

    4. ORDER PARASITIFORMES • Metastigmata - Ticks • Argasidae : Soft Ticks • Ixodidae : Hard Ticks • Mesostigmata - Mites • ex.Pneumonyssus, Ornithonyssus

    5. ORDER PARASITIFORMES • Prostigmata- Mites • ex. Demodex, Cheyletiella • Astigmata - Mites • ex.Sarcoptes,Notoedres/Otodectes Knemidokoptes • Order Acarini • Oribatid mites

    6. Important as vectors of other diseases Rocky Mtn. Spotted Fever / Tick Fevers Ehrlichia Babesia (&other red blood parasites) Lymes Dz. TICKS(blood sucking li’l buggers!) • Soft Ticks - Argasidae • Argas , Ornithodoros, Otobius • Hard Ticks - Ixodes • Dermacentor , Rhipicephalus • Tick Paralysis

    7. MITES(chew on me will ya!) • MESOSTIGMATA • Pneumonyssus • nasal mite-canids/felids • Ornithonyssus • fowl mites / rat mites • occasionally humans • skin problems

    8. MITES • ASTIGMATA-genera • Sarcoptes • mange mite-all species • extreme pruritis/crusts • Notoedres/Otodectes • ear mites-felids & canids • Knemidokoptes • beak/skin mite - birds

    9. PROSTIGMATA Demodex Follicle mite - all species Often nonpathogenic immunosuppressed Cheyletiella Walking dandruff canids/felids/lagomorp Trombiculids-chiggers ORDER ACARINI Oribatid Mites intermed. Host for tapeworms potential livestock MITES

    10. CLASS:INSECTALICE(what a lousy job) • Order Mallophagorida • Chewing lice • broad heads, chewing mouth parts • all species - skin probs • genera- • Trichodectes-canids • Felicola - felids • Bovicola-bovids

    11. CLASS:INSECTALICE(what a lousy job) • Order Anoplura • Sucking Lice • narrow heads, sucking mouth parts • all species - anemia, wt. Loss, some dz trans • Dipetalonema-dogs • blood para/pox - pigs • relapsing fever - human

    12. ORDER: SIPHONAPTERAFLEAS(runaway & join the circus!) • Ctenocephalides • canis - dog flea • felis - cat flea • most common • yes -the problem is here! • FAD / transmit tapeworms / cat scratch disease (bartonella) • Plague (Yersinia) Update!

    13. ORDER: DIPTERAFLIES,MOSQUITOES(don’t bug me!) • Flies • mostly livestock problems • Flystrike in dogs / maggot infestation rabbits • Cuterebridae • Bot flies - puppies, kittens, rabbits • Hippoboscidae • Keds - occas. Pet birds

    14. ORDER: DIPTERAFLIES,MOSQUITOES • Mosquitoes (Culicidae) • Important vectors of diseases • malaria (Plasmodium) - birds / humans • yellow fever, dengue, EEE, WEE, VEE • Heartworm (Dirofilaria) - dogs and cats • Big problem in U.S. • 48 cases Larimer County 1998 • Roundworms • public health risk - esp. children