117 Questions
What is the characteristic feature of respiration in Sarcoptiformes?
Directly through the cuticle
Which family of mites includes species that live in the respiratory tracts and muscles of birds and mammals?
Cytoditidae and Laminosioptidae
What is the shape of the body of Sarcoptidae mites?
Circular and flattened ventrally
What is the characteristic feature of the legs of Psoroptidae mites?
Longer than those of Sarcoptidae
What is the purpose of the copulatory suckers in male Psoroptidae mites?
To engage the copulatory tubicles of the female
What is the common veterinary importance of Sarcoptiformes?
They cause mange and scab
Which of the following genera is of veterinary importance to poultry and domestic birds?
Knemidocoptes
What is the characteristic feature of the mouthparts and legs of the family Listerophidae?
Modified for sucking
What is the common name for the mites of the genus Cytodites in birds?
Air sac mite
Which family of mites affects the muscles of chickens and turkeys?
Laminosioptidae
What is the characteristic feature of the body of Laminosioptes mites?
Smooth, elongated body
On which feathers are the feather mites of the genus Megninia found?
Down and contour feathers
Which mite family is found on the fur of guinea pigs?
ATOPOMELIDAE
What is the characteristic feature of Prostigmatic mites?
Presence of stigmata on the gnathosoma
Which genus is found on the quills of chickens and cage birds?
Dermoglyphus
What is the cause of depluming mange?
Bird ked mites
Which family has the genus Hypodectes, which is of importance in pigeons, doves, and other wild and captive birds?
HYPODERIDAE
How many families of Prostigmatic mites contain species of veterinary importance?
4
What is the distinct shape of the body of Demodecidae mites?
Cigar-shaped
What is the habitat of species of the genus Demodex?
Hair follicles and sebaceous glands
Which species of mites are ectoparasites of dogs, cats, or rabbits that may transfer to humans?
Cheyletiella
What is the characteristic feature of the body of Cheyletiella mites?
Has a 'waist'
How many pairs of legs do Demodecidae mites have?
Four
What is a distinct feature of the palps of Cheyletiella mites?
They are greatly enlarged
What is unique about the legs of mites in the family Trombiculidae?
They terminate in combs
What is the characteristic life cycle of Trombiculidae mites?
Parasitic only at the larval stage
What is the common name for the larvae of Eutrombicula?
Chigger
Which genus is a vector of scrub typhus (tsutsugamushi fever) in the Far East?
Leptotrombidium
What is unique about the legs of Psorergates mites?
The femur bears a large inwardly directed curved spine
What is the primary food source of Pyemotide mites?
Insect larvae
The genus Psoroptes is of veterinary importance to poultry and domestic birds.
False
The family Knemidocoptidae has twelve species that are of veterinary importance.
False
The genus Mycoptes is a parasite of fur-bearing mammals.
True
Laminosioptes are parasites of the respiratory system of birds.
False
Cytodites are respiratory parasites of birds, rodents, and bats.
True
Demodex brevis is a species of mite that infects cats.
False
Feather mites of the genus Megninia are found on the quills of chickens and other captive Galliformes.
False
Cheyletiella mites are all predatory.
False
Demodex phylloides is a species of mite that infects horses.
False
Demodex mites have a round body shape.
False
The family Demodecidae contains multiple genera of veterinary interest.
False
Cheyletiella mites are typically longer than 1 mm in length.
False
The family FREYANITIDAE includes mites found on the quills of chickens and cage birds.
True
The genus Hypodectes is of importance in chickens.
False
The family EPIDERMOPTIDAE includes mites found on quail.
True
The family PTEROLICHIDAE includes mites found on the budgerigar.
True
The larvae of Neotrombicula are known as chiggers.
False
The family HYPODERIDAE includes mites found on chickens.
False
The sub-order TROMBIDIFORMES includes mites with stigmata, which open on the propodosoma.
True
Psorergates mites can cause dermatitis on animals and humans.
True
Leptotrombidium mites are found on cattle and sheep.
False
Eutrombicula mites are only found in North and South America.
True
Trombiculidae mites are parasitic at all stages of their life cycle.
False
Pyemotidae mites are ectoparasites of sheep and cattle.
False
Female mites of the genus Pyemotes give birth to larvae.
False
The family Syringophilidae includes mites that feed on the tissue fluids of feather follicles, causing feather loss in reptiles.
False
The family Ophioptidae includes mites that are found beneath the scales of lizards.
False
The family Cloacaridae includes mites that are found in the cloacal mucosa of amphibians.
False
The family Pterygosomatidae includes mites that are parasites of aquatic mammals.
False
All Sarcoptiformes are weakly sclerotised.
True
The family Psoroptidae includes burrowing astigmatic mites.
False
Species of the Laminosioptidae family live in the respiratory tracts of birds and mammals.
True
Males of the Psoroptidae family have a pair of copulatory suckers.
True
The Sarcoptidae family includes species of minor veterinary importance.
False
Cytoditidae mites live in the muscles of birds and mammals.
True
The family ATOPOMELIDAE includes mites found on the quills of chickens and cage birds.
False
Members of the genus Dermoglyphus are found on the feathers of turkeys.
False
The genus Freyana is found on the feathers of quail.
False
The family EPIDERMOPTIDAE includes mites found on the tail and flight feathers of chickens.
False
The genus Hypodectes is of importance in chickens and wild birds.
True
The sub-order TROMBIDIFORMES includes mites without stigmata.
False
The genus Knemidocoptes is a parasite of poultry and domestic birds.
True
Cytodites are found in the digestive system of birds.
False
Mycoptes is a genus of veterinary interest that affects fur-bearing mammals.
True
Laminosioptes are relatively large mites.
False
Feather mites of the genus Megninia are found on the muscles of chickens and other captive Galliformes.
False
Cytodites have chelicerae.
False
The genus Pyemotes includes mites that are small and have rounded bodies.
False
Family Syringophilidae mites are found on reptiles.
False
Myobia and Radfordia species cause severe dermatitis in laboratory mice and rats.
False
Family Ophioptidae mites are found beneath the scales of lizards.
False
Demodex mites have a characteristic 'cigar-shaped' body.
True
Family Cloacaridae mites are found in the cloacal mucosa of amphibians.
False
The family Cheyletiidae consists entirely of predatory mites.
False
All species of Demodex mites are found in humans.
False
Cheyletiella mites are typically less than 0.4 mm long.
True
Demodex folliculorum is a species of mite that infects dogs.
False
Cheyletiella mites have a characteristic 'waist' in their body.
True
The Sarcoptiformes are a large group of strongly sclerotised mites.
False
The legs of Psoroptidae family mites are shorter than those of the burrowing mites.
False
Cytoditidae mites live in the feathers of birds and mammals.
False
Males of the Sarcoptidae family have a pair of copulatory suckers.
False
All Sarcoptiformes have stigmata and tracheae.
False
The family Psoroptidae includes species that are burrowing astigmatic mites.
False
The three genera of veterinary importance are Psoroptes, Chorioptes, and Demodex.
False
The genus Cytodites are parasites of fur-bearing mammals.
False
The family Laminosioptidae includes mites that are found in the respiratory system of birds.
False
The family Analgidae includes mites that are found on the down and contour feathers of chickens and other captive Galliformes.
True
The genus Knemidocoptes has been described to have twelve species of veterinary importance.
False
The family Listerophidae includes mites that are parasites of birds.
False
Members of the genus Freyana are found on the feathers of turkeys and cage birds.
True
The family EPIDERMOPTIDAE includes mites found on pigeons.
False
The genus Hypodectes is of importance in poultry and domestic birds.
False
The sub-order TROMBIDIFORMES includes mites without stigmata.
False
Chirodiscoides is found on the quills of chickens and cage birds.
False
The family PTEROLICHIDAE includes mites found on the tail and flight feathers of pigeons.
False
Demodex mites can be found in the hair follicles and sebaceous glands of humans.
True
All species of the genus Demodex are found in humans.
False
The majority of mites in the family Cheyletiidae are ectoparasites.
True
Cheyletiella mites have a characteristic 'cigar-shaped' body.
False
Demodex mites have six pairs of legs.
False
The family Demodecidae contains a single genus of veterinary interest, Cheyletiella.
False
Female Pyemotes mites lay eggs that hatch into fully formed adults.
False
Mites of the family Ophiopidae are found beneath the scales of lizards.
False
The family Syringophilidae includes mites that feed on tissue fluids of feather follicles, causing feather loss in birds.
True
Mites of the genus Myobia cause a severe dermatitis in laboratory mice.
False
The family Pterygosomatidae includes mites that are parasites of aquatic mammals.
False
Learn about the sub-order Sarcoptiformes, a group of mites that cause mange and are of major veterinary importance. This quiz covers the characteristics and families of Sarcoptiformes, including Sarcoptidae, Psoroptoidae, and Knemidocoptidae.
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