Acarology Lecture 4-6: Sarcoptiformes and Mite Species
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Questions and Answers

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.

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

The legs of burrowing mites are longer than those of non-burrowing mites.

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

The trombidiformes (Prostigmata) are a small and diverse group of mites.

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

The genus of veterinary interest in the family LISTEROPHERIDAE is Psoroptes.

<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

The family Sarcoptidae includes species that are important ectoparasites.

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

There are over 100 families in the sub-order TROMBIDIFORMES (PROSTIGMATA) that contain species of veterinary importance.

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

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

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

The family Psoroptidae includes burrowing astigmatic mites.

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

The family KNEMIDOCOPTIDAE is a parasite of fur-bearing mammals.

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

Laminosioptes are relatively large mites with a smooth, elongated body and many setae.

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

The Sarcoptiformes have stigmata and tracheae.

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

Male Psoroptidae have a single copulatory sucker.

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

The family ANALGIDAE is a parasite of wild birds only.

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

Otodectes is one of the three genera of veterinary importance.

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

Mites of the genus Pyemotes lay eggs.

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

Syringophilus mites feed on the blood of poultry.

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

Mites of the family OPHIOPTIDAE are found on the skin of reptiles.

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

Cloacarus mites are found in terrestrial turtles.

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

The Demodecidae family of mites contains multiple genera of veterinary interest.

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

Demodex mites are found in the liver of animals.

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

The Cheyletiidae family of mites are primarily ectoparasites.

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

Demodex mites are specialized to live in the digestive system of animals.

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

Species of the genus Myobia cause dermatitis in laboratory rats.

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

The Cheyletiidae family of mites are all predators.

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

Demodex mites are host-specific.

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

What is the characteristic of the body of soft ticks?

<p>Leathery and unsclerotized with a textured surface</p> Signup and view all the answers

Where is the gnathosoma located in nymphs and adults of soft ticks?

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

How many nymphal stages do soft ticks have?

<p>Two to seven</p> Signup and view all the answers

What is distinctive about the legs of soft ticks?

<p>They are similar to those of hard ticks</p> Signup and view all the answers

What is unique about the life cycle of soft ticks?

<p>They have a multi-host life cycle</p> Signup and view all the answers

Where are soft ticks typically found?

<p>In deserts or dry conditions</p> Signup and view all the answers

What do ectoparasitic mites primarily feed on?

<p>Blood, lymph, and skin debris</p> Signup and view all the answers

How do ectoparasitic mites typically transmit from host to host?

<p>Through physical contact</p> Signup and view all the answers

What is the term for infestation by mites?

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

What is the characteristic of the body of parasitic mites?

<p>Unsegmented body with various sutures and grooves</p> Signup and view all the answers

What is the location of the genital orifice in mites?

<p>On the genitoventral shield</p> Signup and view all the answers

What is the purpose of ventral shields in mites?

<p>To provide protection for the genital orifice</p> Signup and view all the answers

What is the primary function of hairs, or setae, on the idiosoma of many mite species?

<p>Sensory function</p> Signup and view all the answers

What is the typical duration of the life cycle of many parasitic mite species?

<p>Less than 4 weeks</p> Signup and view all the answers

What is the characteristic of the eyes in mite species where they are present?

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

How is transmission of mites mainly achieved?

<p>By contact</p> Signup and view all the answers

What is the number of legs in the larval stage of mite development?

<p>6</p> Signup and view all the answers

What is the significance of stigmata in mites?

<p>They are used for taxonomic purposes</p> Signup and view all the answers

What is the function of the sensory palps in the gnathosoma of a mite?

<p>To sense the environment and detect prey</p> Signup and view all the answers

What is the function of the chelicerae in the gnathosoma of a mite?

<p>To grasp and manipulate food particles</p> Signup and view all the answers

What is the buccal cone in the gnathosoma of a mite?

<p>A structure that fits within a socket-like chamber</p> Signup and view all the answers

What is the hypostome in mesostigmatic mites?

<p>A structure that protrudes from the basal capituli</p> Signup and view all the answers

How many pairs of legs do nymphal and adult mites have?

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

What is the function of the empodium?

<p>To adhere to surfaces</p> Signup and view all the answers

What is the characteristic of the integument of soft ticks?

<p>Leathery and inornate</p> Signup and view all the answers

What is the location of the eyes in soft ticks when present?

<p>Laterally above the legs</p> Signup and view all the answers

What is the characteristic of the stigmata in soft ticks?

<p>Small and anterior to the coxae of the fourth pair of legs</p> Signup and view all the answers

How many nymphal stages do soft ticks have?

<p>Two to seven</p> Signup and view all the answers

What is the characteristic of the life cycle of soft ticks?

<p>Multi-host</p> Signup and view all the answers

Where are soft ticks typically found?

<p>In dry conditions</p> Signup and view all the answers

What is the primary source of nutrition for ectoparasitic mites of mammals and birds?

<p>All of the above</p> Signup and view all the answers

What is the term for the infestation of animals by mites?

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

What is the characteristic of the body of parasitic mites?

<p>Unsegmented body</p> Signup and view all the answers

What is the function of the ventral shields in mites?

<p>Protection of the genital orifice</p> Signup and view all the answers

What is the location of the genital orifice in mites?

<p>Between the last two pairs of legs</p> Signup and view all the answers

What is the significance of some mites being intermediate hosts of anoplocephalid cestodes?

<p>They are important intermediate hosts of parasites</p> Signup and view all the answers

What is the function of setae on the idiosoma of many mite species?

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

What is unique about the life cycle of many parasitic mite species?

<p>They spend their entire life cycle on the host</p> Signup and view all the answers

Where do gas exchange occur in some mites?

<p>Through one to four pairs of stigmata</p> Signup and view all the answers

What is the characteristic of eyes in mite species where they are present?

<p>Simple eyes</p> Signup and view all the answers

What is the significance of stigmata in the classification of mites?

<p>Used for taxonomic purposes</p> Signup and view all the answers

How many legs do nymphal and adult mites have?

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

What is located between the chelicerae in the gnathosoma of a mite?

<p>The buccal cone</p> Signup and view all the answers

What is the function of the palps in the gnathosoma of a mite?

<p>To sense and detect the environment</p> Signup and view all the answers

How many pairs of legs do larval mites have?

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

What is the term for the last segment of the palps in mites?

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

What is the function of the empodium in mites?

<p>Variable, may resemble a pad, sucker, claw, or filamentous hair</p> Signup and view all the answers

What is the term for the socket-like chamber formed by the enlarged coxae of the palps in mites?

<p>Basal capituli</p> Signup and view all the answers

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