77 Questions
The family ATOPOMELIDAE is found on the quills of chickens and cage birds.
False
Members of the genus Epidermoptes are found on quail.
False
The genus Sideroferus is found on the tail and flight feathers of chickens.
False
The Sarcoptiformes are a small group of mites.
False
The legs of burrowing mites are longer than those of non-burrowing mites.
False
The trombidiformes (Prostigmata) are a small and diverse group of mites.
False
The genus of veterinary interest in the family LISTEROPHERIDAE is Psoroptes.
False
Cytodites are respiratory parasites of birds, rodents, and bats.
True
The family Sarcoptidae includes species that are important ectoparasites.
True
There are over 100 families in the sub-order TROMBIDIFORMES (PROSTIGMATA) that contain species of veterinary importance.
False
The genus Hypodectes is of importance in chickens and cage birds.
False
The family Psoroptidae includes burrowing astigmatic mites.
False
The family KNEMIDOCOPTIDAE is a parasite of fur-bearing mammals.
False
Laminosioptes are relatively large mites with a smooth, elongated body and many setae.
False
The Sarcoptiformes have stigmata and tracheae.
False
Male Psoroptidae have a single copulatory sucker.
False
The family ANALGIDAE is a parasite of wild birds only.
False
Otodectes is one of the three genera of veterinary importance.
True
Mites of the genus Pyemotes lay eggs.
False
Syringophilus mites feed on the blood of poultry.
False
Mites of the family OPHIOPTIDAE are found on the skin of reptiles.
False
Cloacarus mites are found in terrestrial turtles.
False
The Demodecidae family of mites contains multiple genera of veterinary interest.
False
Demodex mites are found in the liver of animals.
False
The Cheyletiidae family of mites are primarily ectoparasites.
True
Demodex mites are specialized to live in the digestive system of animals.
False
Species of the genus Myobia cause dermatitis in laboratory rats.
False
The Cheyletiidae family of mites are all predators.
False
Demodex mites are host-specific.
True
What is the characteristic of the body of soft ticks?
Leathery and unsclerotized with a textured surface
Where is the gnathosoma located in nymphs and adults of soft ticks?
Ventrally
How many nymphal stages do soft ticks have?
Two to seven
What is distinctive about the legs of soft ticks?
They are similar to those of hard ticks
What is unique about the life cycle of soft ticks?
They have a multi-host life cycle
Where are soft ticks typically found?
In deserts or dry conditions
What do ectoparasitic mites primarily feed on?
Blood, lymph, and skin debris
How do ectoparasitic mites typically transmit from host to host?
Through physical contact
What is the term for infestation by mites?
Acariasis
What is the characteristic of the body of parasitic mites?
Unsegmented body with various sutures and grooves
What is the location of the genital orifice in mites?
On the genitoventral shield
What is the purpose of ventral shields in mites?
To provide protection for the genital orifice
What is the primary function of hairs, or setae, on the idiosoma of many mite species?
Sensory function
What is the typical duration of the life cycle of many parasitic mite species?
Less than 4 weeks
What is the characteristic of the eyes in mite species where they are present?
Simple
How is transmission of mites mainly achieved?
By contact
What is the number of legs in the larval stage of mite development?
6
What is the significance of stigmata in mites?
They are used for taxonomic purposes
What is the function of the sensory palps in the gnathosoma of a mite?
To sense the environment and detect prey
What is the function of the chelicerae in the gnathosoma of a mite?
To grasp and manipulate food particles
What is the buccal cone in the gnathosoma of a mite?
A structure that fits within a socket-like chamber
What is the hypostome in mesostigmatic mites?
A structure that protrudes from the basal capituli
How many pairs of legs do nymphal and adult mites have?
Four
What is the function of the empodium?
To adhere to surfaces
What is the characteristic of the integument of soft ticks?
Leathery and inornate
What is the location of the eyes in soft ticks when present?
Laterally above the legs
What is the characteristic of the stigmata in soft ticks?
Small and anterior to the coxae of the fourth pair of legs
How many nymphal stages do soft ticks have?
Two to seven
What is the characteristic of the life cycle of soft ticks?
Multi-host
Where are soft ticks typically found?
In dry conditions
What is the primary source of nutrition for ectoparasitic mites of mammals and birds?
All of the above
What is the term for the infestation of animals by mites?
Acariasis
What is the characteristic of the body of parasitic mites?
Unsegmented body
What is the function of the ventral shields in mites?
Protection of the genital orifice
What is the location of the genital orifice in mites?
Between the last two pairs of legs
What is the significance of some mites being intermediate hosts of anoplocephalid cestodes?
They are important intermediate hosts of parasites
What is the function of setae on the idiosoma of many mite species?
Sensory
What is unique about the life cycle of many parasitic mite species?
They spend their entire life cycle on the host
Where do gas exchange occur in some mites?
Through one to four pairs of stigmata
What is the characteristic of eyes in mite species where they are present?
Simple eyes
What is the significance of stigmata in the classification of mites?
Used for taxonomic purposes
How many legs do nymphal and adult mites have?
Eight
What is located between the chelicerae in the gnathosoma of a mite?
The buccal cone
What is the function of the palps in the gnathosoma of a mite?
To sense and detect the environment
How many pairs of legs do larval mites have?
Three
What is the term for the last segment of the palps in mites?
Apotele
What is the function of the empodium in mites?
Variable, may resemble a pad, sucker, claw, or filamentous hair
What is the term for the socket-like chamber formed by the enlarged coxae of the palps in mites?
Basal capituli
This quiz covers the Sarcoptiformes, a group of mites that are weakly sclerotised and breathe through their cuticle. It includes the families Sarcoptidae, Psoroptoidae, and Knemidocoptidae, which are important in veterinary medicine. Learn about the characteristics and importance of these mite species.
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