Arachnids

• Disease caused


  • Anaplasmosis
  • Babesia bovis, divergens - Bovine piroplasmosis, Red water disease
  • Babesia canis - Canine Piroplasmosis
  • Babesia equi - Equine Biliary Fever
  • Borrelia anserina - Fowl Spirochaetosis
  • Borrelia duttoni - African Relapsing Fever of man
  • Coxiella brunetti - Q Fever
  • Erlichia canis - Canine Erlichiosis
  • Fracisella tularensis - Tularemia
  • Rickettsia conori - Tick bite fever
  • Rickettsia rickettsii - Rocky Mountain spotted fever
  • Rickettsia ruminantium - Heartwater disease of cattle
  • Staphylococcus aureus - Tick pyaemia
  • Theileria parva - East Coast Fever
  • Yersinia pestis - Bubonic plague
• Otodectes cynotis


  Occurs in the ears of the dog, cat, fox, and other carnivores, causing ear or otodectic mange
• Otobius megnini


  Spinose ear tick
• Dermacentor andersoni


  Rocky mountain wood tick
• Rhiphecephalus sanguineus


  Brown dog tick
• Neocnemidocoptes gallinae


  Cause of depluming itch in fowls resembling Sarcoptes
• Rhiphecephalus spp.


  Basis capituli is hexagonal dorsally
• Ophionyssus natricis


  Blood sucking mite in captive snakes. It occurs under the scales of several species of snakes and lizards in captivity
• Lipotena


  Both sexes have wings but cast them when they find a host
• Dermatobia hominis


  When the adult fly is ready to oviposit, she captures a mosquito (Culex), or other blood sucking fly (genus Psorophora, Stomoxys), and glues a batch of eggs to the abdomen of the captive fly
• Pseudolynchia canariensis / P. maura

  A dark-brown fly which resembles the sheep ked, but has a pair of transparent, tapering wings with the venation reduced and concentrated along the anterior border
• Hypoderma lineatum


  The fly is about as large as a housefly, light-yellow with light brown on the dorsal aspect of the thorax
• Lucillia cuprina


  Bottle flies where the femora of the first pair of legs are bright green
• Phormia


  Called as black blowflies
• Hyprotaea irritans


  The stomach of this fly is black with grey patches, the abdomen is olive green and the wing bases are orange-yellow
• Hypoderma


  A warble fly found in the subcutaneous tissue
• Gasterophilus hemorrhoidalis and G. inermis


  These flies deposit their eggs on the hairs around the mouth and on the Cheeks
• Chrysops


  The wings of this fly have a dark band passing from the anterior to the posterior border of the wings, the wings are divergent when at rest and the eyes are of a metallic color
• Phlebotomous


  These flies are weak fliers and can pass through an ordinary nets or will otherwise search for an opening to get through
• Simulium


  These insects have no scales and they are not hairy in their wings, except for bristles on the thick anterior veins
• Chironomidae


  The larvae of some of this fly are colored red by hemoglobin and are called bloodworms
• Lipeurus caponis


  A slender elongated louse which occurs on the underside of the large wing feathers and moves about very little
• Menophon gallinae


  The louse is pale yellow in color, and occurs on fowls, ducks, and pigeons
• Felicola subrostratus


  Common louse found on cats
• Cheyletiella spp.


  They are easily recognized by their big palpal claws, with M-shaped gnathosomal peritremes, and comb-like tarsal appendages
• Rhipicephalus annulatus


  The palps of this tick are ridged dorsally and laterally
• Cimicidae


  They are oval, dorsoventrally flattened bodies, vestigial wings, three-segmented beaks
• Ctenocephalides felis


  The most common species of flea affecting dogs and cats in the in the Philippines
• Scutum


  Dorsal extension over the mouth of crustacean or acarinae
• Direct contact with infested animal

  Mode of infection of Cheyletiella spp.
• Cuterebrinae


  A rodent bot fly
• Phoresy


  Two symbionts travelling together and there is no physiological or biochemical dependence
• Otodectes cynotis


  The mite will cause intense pruritus of ear canal in dogs and cats which will be followed by self-mutation, otitis media, and bacterial infection
• Facefly


  This irritates the eyes and nostrils, may predispose to bacterial keratoconjunctivitis or 'pink-eye', and transmits eye worms in cattle
• Psoroptes ovis


  This mite is reportable in cattle and sheep in some states because it is very contagious and highly pathogenic causing dramatic weight loss and cause mange mite or scab mite in cattle
• Melophagus ovinus or sheep ked


  Erroneously called sheep tick
• Intermediate host


  One in which some development of the parasite occurs but in which it does not reach maturity
• Demodex canis


  This mite together with some form of Staphylococcus pyogenes, cause red mange. Infection of this mite in young dogs can be serious and even fatal. There is hair loss on the muzzle, around the eyes, and on the forefeet. The skin develops reddish pimples and pustules, becoming hot thickened and covered with foul-smelling reddish-yellow exudate