Acarology Lecture 4-6: Sarcoptiformes and Mange
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Questions and Answers

What is the characteristic feature of respiration in Sarcoptiformes?

  • Through spiracles
  • Directly through the cuticle (correct)
  • Through tracheae
  • Through stigmata
  • Which family of mites includes species that live in the respiratory tracts and muscles of birds and mammals?

  • Knemidocoptidae
  • Cytoditidae and Laminosioptidae (correct)
  • Psoroptidae
  • Sarcoptidae
  • What is the shape of the body of Sarcoptidae mites?

  • Circular and flattened ventrally (correct)
  • Elongated
  • Oval
  • Triangular
  • What is the characteristic feature of the legs of Psoroptidae mites?

    <p>Longer than those of Sarcoptidae</p> Signup and view all the answers

    What is the purpose of the copulatory suckers in male Psoroptidae mites?

    <p>To engage the copulatory tubicles of the female</p> Signup and view all the answers

    What is the common veterinary importance of Sarcoptiformes?

    <p>They cause mange and scab</p> Signup and view all the answers

    Which of the following genera is of veterinary importance to poultry and domestic birds?

    <p>Knemidocoptes</p> Signup and view all the answers

    What is the characteristic feature of the mouthparts and legs of the family Listerophidae?

    <p>Modified for sucking</p> Signup and view all the answers

    What is the common name for the mites of the genus Cytodites in birds?

    <p>Air sac mite</p> Signup and view all the answers

    Which family of mites affects the muscles of chickens and turkeys?

    <p>Laminosioptidae</p> Signup and view all the answers

    What is the characteristic feature of the body of Laminosioptes mites?

    <p>Smooth, elongated body</p> Signup and view all the answers

    On which feathers are the feather mites of the genus Megninia found?

    <p>Down and contour feathers</p> Signup and view all the answers

    Which mite family is found on the fur of guinea pigs?

    <p>ATOPOMELIDAE</p> Signup and view all the answers

    What is the characteristic feature of Prostigmatic mites?

    <p>Presence of stigmata on the gnathosoma</p> Signup and view all the answers

    Which genus is found on the quills of chickens and cage birds?

    <p>Dermoglyphus</p> Signup and view all the answers

    What is the cause of depluming mange?

    <p>Bird ked mites</p> Signup and view all the answers

    Which family has the genus Hypodectes, which is of importance in pigeons, doves, and other wild and captive birds?

    <p>HYPODERIDAE</p> Signup and view all the answers

    How many families of Prostigmatic mites contain species of veterinary importance?

    <p>4</p> Signup and view all the answers

    What is the distinct shape of the body of Demodecidae mites?

    <p>Cigar-shaped</p> Signup and view all the answers

    What is the habitat of species of the genus Demodex?

    <p>Hair follicles and sebaceous glands</p> Signup and view all the answers

    Which species of mites are ectoparasites of dogs, cats, or rabbits that may transfer to humans?

    <p>Cheyletiella</p> Signup and view all the answers

    What is the characteristic feature of the body of Cheyletiella mites?

    <p>Has a 'waist'</p> Signup and view all the answers

    How many pairs of legs do Demodecidae mites have?

    <p>Four</p> Signup and view all the answers

    What is a distinct feature of the palps of Cheyletiella mites?

    <p>They are greatly enlarged</p> Signup and view all the answers

    What is unique about the legs of mites in the family Trombiculidae?

    <p>They terminate in combs</p> Signup and view all the answers

    What is the characteristic life cycle of Trombiculidae mites?

    <p>Parasitic only at the larval stage</p> Signup and view all the answers

    What is the common name for the larvae of Eutrombicula?

    <p>Chigger</p> Signup and view all the answers

    Which genus is a vector of scrub typhus (tsutsugamushi fever) in the Far East?

    <p>Leptotrombidium</p> Signup and view all the answers

    What is unique about the legs of Psorergates mites?

    <p>The femur bears a large inwardly directed curved spine</p> Signup and view all the answers

    What is the primary food source of Pyemotide mites?

    <p>Insect larvae</p> Signup and view all the answers

    The genus Psoroptes is of veterinary importance to poultry and domestic birds.

    <p>False</p> Signup and view all the answers

    The family Knemidocoptidae has twelve species that are of veterinary importance.

    <p>False</p> Signup and view all the answers

    The genus Mycoptes is a parasite of fur-bearing mammals.

    <p>True</p> Signup and view all the answers

    Laminosioptes are parasites of the respiratory system of birds.

    <p>False</p> Signup and view all the answers

    Cytodites are respiratory parasites of birds, rodents, and bats.

    <p>True</p> Signup and view all the answers

    Demodex brevis is a species of mite that infects cats.

    <p>False</p> Signup and view all the answers

    Feather mites of the genus Megninia are found on the quills of chickens and other captive Galliformes.

    <p>False</p> Signup and view all the answers

    Cheyletiella mites are all predatory.

    <p>False</p> Signup and view all the answers

    Demodex phylloides is a species of mite that infects horses.

    <p>False</p> Signup and view all the answers

    Demodex mites have a round body shape.

    <p>False</p> Signup and view all the answers

    The family Demodecidae contains multiple genera of veterinary interest.

    <p>False</p> Signup and view all the answers

    Cheyletiella mites are typically longer than 1 mm in length.

    <p>False</p> Signup and view all the answers

    The family FREYANITIDAE includes mites found on the quills of chickens and cage birds.

    <p>True</p> Signup and view all the answers

    The genus Hypodectes is of importance in chickens.

    <p>False</p> Signup and view all the answers

    The family EPIDERMOPTIDAE includes mites found on quail.

    <p>True</p> Signup and view all the answers

    The family PTEROLICHIDAE includes mites found on the budgerigar.

    <p>True</p> Signup and view all the answers

    The larvae of Neotrombicula are known as chiggers.

    <p>False</p> Signup and view all the answers

    The family HYPODERIDAE includes mites found on chickens.

    <p>False</p> Signup and view all the answers

    The sub-order TROMBIDIFORMES includes mites with stigmata, which open on the propodosoma.

    <p>True</p> Signup and view all the answers

    Psorergates mites can cause dermatitis on animals and humans.

    <p>True</p> Signup and view all the answers

    Leptotrombidium mites are found on cattle and sheep.

    <p>False</p> Signup and view all the answers

    Eutrombicula mites are only found in North and South America.

    <p>True</p> Signup and view all the answers

    Trombiculidae mites are parasitic at all stages of their life cycle.

    <p>False</p> Signup and view all the answers

    Pyemotidae mites are ectoparasites of sheep and cattle.

    <p>False</p> Signup and view all the answers

    Female mites of the genus Pyemotes give birth to larvae.

    <p>False</p> Signup and view all the answers

    The family Syringophilidae includes mites that feed on the tissue fluids of feather follicles, causing feather loss in reptiles.

    <p>False</p> Signup and view all the answers

    The family Ophioptidae includes mites that are found beneath the scales of lizards.

    <p>False</p> Signup and view all the answers

    The family Cloacaridae includes mites that are found in the cloacal mucosa of amphibians.

    <p>False</p> Signup and view all the answers

    The family Pterygosomatidae includes mites that are parasites of aquatic mammals.

    <p>False</p> Signup and view all the answers

    All Sarcoptiformes are weakly sclerotised.

    <p>True</p> Signup and view all the answers

    The family Psoroptidae includes burrowing astigmatic mites.

    <p>False</p> Signup and view all the answers

    Species of the Laminosioptidae family live in the respiratory tracts of birds and mammals.

    <p>True</p> Signup and view all the answers

    Males of the Psoroptidae family have a pair of copulatory suckers.

    <p>True</p> Signup and view all the answers

    The Sarcoptidae family includes species of minor veterinary importance.

    <p>False</p> Signup and view all the answers

    Cytoditidae mites live in the muscles of birds and mammals.

    <p>True</p> Signup and view all the answers

    The family ATOPOMELIDAE includes mites found on the quills of chickens and cage birds.

    <p>False</p> Signup and view all the answers

    Members of the genus Dermoglyphus are found on the feathers of turkeys.

    <p>False</p> Signup and view all the answers

    The genus Freyana is found on the feathers of quail.

    <p>False</p> Signup and view all the answers

    The family EPIDERMOPTIDAE includes mites found on the tail and flight feathers of chickens.

    <p>False</p> Signup and view all the answers

    The genus Hypodectes is of importance in chickens and wild birds.

    <p>True</p> Signup and view all the answers

    The sub-order TROMBIDIFORMES includes mites without stigmata.

    <p>False</p> Signup and view all the answers

    The genus Knemidocoptes is a parasite of poultry and domestic birds.

    <p>True</p> Signup and view all the answers

    Cytodites are found in the digestive system of birds.

    <p>False</p> Signup and view all the answers

    Mycoptes is a genus of veterinary interest that affects fur-bearing mammals.

    <p>True</p> Signup and view all the answers

    Laminosioptes are relatively large mites.

    <p>False</p> Signup and view all the answers

    Feather mites of the genus Megninia are found on the muscles of chickens and other captive Galliformes.

    <p>False</p> Signup and view all the answers

    Cytodites have chelicerae.

    <p>False</p> Signup and view all the answers

    The genus Pyemotes includes mites that are small and have rounded bodies.

    <p>False</p> Signup and view all the answers

    Family Syringophilidae mites are found on reptiles.

    <p>False</p> Signup and view all the answers

    Myobia and Radfordia species cause severe dermatitis in laboratory mice and rats.

    <p>False</p> Signup and view all the answers

    Family Ophioptidae mites are found beneath the scales of lizards.

    <p>False</p> Signup and view all the answers

    Demodex mites have a characteristic 'cigar-shaped' body.

    <p>True</p> Signup and view all the answers

    Family Cloacaridae mites are found in the cloacal mucosa of amphibians.

    <p>False</p> Signup and view all the answers

    The family Cheyletiidae consists entirely of predatory mites.

    <p>False</p> Signup and view all the answers

    All species of Demodex mites are found in humans.

    <p>False</p> Signup and view all the answers

    Cheyletiella mites are typically less than 0.4 mm long.

    <p>True</p> Signup and view all the answers

    Demodex folliculorum is a species of mite that infects dogs.

    <p>False</p> Signup and view all the answers

    Cheyletiella mites have a characteristic 'waist' in their body.

    <p>True</p> Signup and view all the answers

    The Sarcoptiformes are a large group of strongly sclerotised mites.

    <p>False</p> Signup and view all the answers

    The legs of Psoroptidae family mites are shorter than those of the burrowing mites.

    <p>False</p> Signup and view all the answers

    Cytoditidae mites live in the feathers of birds and mammals.

    <p>False</p> Signup and view all the answers

    Males of the Sarcoptidae family have a pair of copulatory suckers.

    <p>False</p> Signup and view all the answers

    All Sarcoptiformes have stigmata and tracheae.

    <p>False</p> Signup and view all the answers

    The family Psoroptidae includes species that are burrowing astigmatic mites.

    <p>False</p> Signup and view all the answers

    The three genera of veterinary importance are Psoroptes, Chorioptes, and Demodex.

    <p>False</p> Signup and view all the answers

    The genus Cytodites are parasites of fur-bearing mammals.

    <p>False</p> Signup and view all the answers

    The family Laminosioptidae includes mites that are found in the respiratory system of birds.

    <p>False</p> Signup and view all the answers

    The family Analgidae includes mites that are found on the down and contour feathers of chickens and other captive Galliformes.

    <p>True</p> Signup and view all the answers

    The genus Knemidocoptes has been described to have twelve species of veterinary importance.

    <p>False</p> Signup and view all the answers

    The family Listerophidae includes mites that are parasites of birds.

    <p>False</p> Signup and view all the answers

    Members of the genus Freyana are found on the feathers of turkeys and cage birds.

    <p>True</p> Signup and view all the answers

    The family EPIDERMOPTIDAE includes mites found on pigeons.

    <p>False</p> Signup and view all the answers

    The genus Hypodectes is of importance in poultry and domestic birds.

    <p>False</p> Signup and view all the answers

    The sub-order TROMBIDIFORMES includes mites without stigmata.

    <p>False</p> Signup and view all the answers

    Chirodiscoides is found on the quills of chickens and cage birds.

    <p>False</p> Signup and view all the answers

    The family PTEROLICHIDAE includes mites found on the tail and flight feathers of pigeons.

    <p>False</p> Signup and view all the answers

    Demodex mites can be found in the hair follicles and sebaceous glands of humans.

    <p>True</p> Signup and view all the answers

    All species of the genus Demodex are found in humans.

    <p>False</p> Signup and view all the answers

    The majority of mites in the family Cheyletiidae are ectoparasites.

    <p>True</p> Signup and view all the answers

    Cheyletiella mites have a characteristic 'cigar-shaped' body.

    <p>False</p> Signup and view all the answers

    Demodex mites have six pairs of legs.

    <p>False</p> Signup and view all the answers

    The family Demodecidae contains a single genus of veterinary interest, Cheyletiella.

    <p>False</p> Signup and view all the answers

    Female Pyemotes mites lay eggs that hatch into fully formed adults.

    <p>False</p> Signup and view all the answers

    Mites of the family Ophiopidae are found beneath the scales of lizards.

    <p>False</p> Signup and view all the answers

    The family Syringophilidae includes mites that feed on tissue fluids of feather follicles, causing feather loss in birds.

    <p>True</p> Signup and view all the answers

    Mites of the genus Myobia cause a severe dermatitis in laboratory mice.

    <p>False</p> Signup and view all the answers

    The family Pterygosomatidae includes mites that are parasites of aquatic mammals.

    <p>False</p> Signup and view all the answers

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