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 (D)</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 (C)</p> Signup and view all the answers

What is the common veterinary importance of Sarcoptiformes?

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

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

<p>Knemidocoptes (D)</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 (C)</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 (C)</p> Signup and view all the answers

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

<p>Laminosioptidae (A)</p> Signup and view all the answers

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

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

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

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

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

<p>ATOPOMELIDAE (A)</p> Signup and view all the answers

What is the characteristic feature of Prostigmatic mites?

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

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

<p>Dermoglyphus (B)</p> Signup and view all the answers

What is the cause of depluming mange?

<p>Bird ked mites (B)</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 (C)</p> Signup and view all the answers

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

<p>4 (C)</p> Signup and view all the answers

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

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

What is the habitat of species of the genus Demodex?

<p>Hair follicles and sebaceous glands (B)</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 (D)</p> Signup and view all the answers

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

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

How many pairs of legs do Demodecidae mites have?

<p>Four (D)</p> Signup and view all the answers

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

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

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

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

What is the characteristic life cycle of Trombiculidae mites?

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

What is the common name for the larvae of Eutrombicula?

<p>Chigger (A)</p> Signup and view all the answers

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

<p>Leptotrombidium (C)</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 (A)</p> Signup and view all the answers

What is the primary food source of Pyemotide mites?

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

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

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

Laminosioptes are parasites of the respiratory system of birds.

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

Demodex brevis is a species of mite that infects cats.

<p>False (B)</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 (B)</p> Signup and view all the answers

Cheyletiella mites are all predatory.

<p>False (B)</p> Signup and view all the answers

Demodex phylloides is a species of mite that infects horses.

<p>False (B)</p> Signup and view all the answers

Demodex mites have a round body shape.

<p>False (B)</p> Signup and view all the answers

The family Demodecidae contains multiple genera of veterinary interest.

<p>False (B)</p> Signup and view all the answers

Cheyletiella mites are typically longer than 1 mm in length.

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

The genus Hypodectes is of importance in chickens.

<p>False (B)</p> Signup and view all the answers

The family EPIDERMOPTIDAE includes mites found on quail.

<p>True (A)</p> Signup and view all the answers

The family PTEROLICHIDAE includes mites found on the budgerigar.

<p>True (A)</p> Signup and view all the answers

The larvae of Neotrombicula are known as chiggers.

<p>False (B)</p> Signup and view all the answers

The family HYPODERIDAE includes mites found on chickens.

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

Psorergates mites can cause dermatitis on animals and humans.

<p>True (A)</p> Signup and view all the answers

Leptotrombidium mites are found on cattle and sheep.

<p>False (B)</p> Signup and view all the answers

Eutrombicula mites are only found in North and South America.

<p>True (A)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

Pyemotidae mites are ectoparasites of sheep and cattle.

<p>False (B)</p> Signup and view all the answers

Female mites of the genus Pyemotes give birth to larvae.

<p>False (B)</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 (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

All Sarcoptiformes are weakly sclerotised.

<p>True (A)</p> Signup and view all the answers

The family Psoroptidae includes burrowing astigmatic mites.

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

The Sarcoptidae family includes species of minor veterinary importance.

<p>False (B)</p> Signup and view all the answers

Cytoditidae mites live in the muscles of birds and mammals.

<p>True (A)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

The genus Freyana is found on the feathers of quail.

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

The sub-order TROMBIDIFORMES includes mites without stigmata.

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

Cytodites are found in the digestive system of birds.

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

Laminosioptes are relatively large mites.

<p>False (B)</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 (B)</p> Signup and view all the answers

Cytodites have chelicerae.

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

Family Syringophilidae mites are found on reptiles.

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

Family Ophioptidae mites are found beneath the scales of lizards.

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

The family Cheyletiidae consists entirely of predatory mites.

<p>False (B)</p> Signup and view all the answers

All species of Demodex mites are found in humans.

<p>False (B)</p> Signup and view all the answers

Cheyletiella mites are typically less than 0.4 mm long.

<p>True (A)</p> Signup and view all the answers

Demodex folliculorum is a species of mite that infects dogs.

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

The Sarcoptiformes are a large group of strongly sclerotised mites.

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

Cytoditidae mites live in the feathers of birds and mammals.

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

All Sarcoptiformes have stigmata and tracheae.

<p>False (B)</p> Signup and view all the answers

The family Psoroptidae includes species that are burrowing astigmatic mites.

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

The genus Cytodites are parasites of fur-bearing mammals.

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</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 (A)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

The family Listerophidae includes mites that are parasites of birds.

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

The family EPIDERMOPTIDAE includes mites found on pigeons.

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

The sub-order TROMBIDIFORMES includes mites without stigmata.

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

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

<p>True (A)</p> Signup and view all the answers

All species of the genus Demodex are found in humans.

<p>False (B)</p> Signup and view all the answers

The majority of mites in the family Cheyletiidae are ectoparasites.

<p>True (A)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

Demodex mites have six pairs of legs.

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</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 (A)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

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

<p>False (B)</p> Signup and view all the answers

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