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COMMON ARTHROPODS AND PESTS OF COMPANION ANIMALS

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

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