Parasitology week 3

Question 1 of 12

1

Identify these features on the flea

Drag an answer into the correct orange point.

Horizontal genal comb

Vertical genal comb

Vertical pronotal comb

Horizontal pronotal comb

Explanation

Question 2 of 12

1

Both Ctenocephalides. felis and Ct. canis are found on dogs & cats, how could you distinguish between the two?

Select one of the following:

Head length in Ct. canis is less than twice the height while in Ct. felis it is twice the height
In Ct. felis head with elongate sloping frons, while in Ct. canis head with rounded frons
Spine 1 of genal comb is shorter than spine 2 in Ct. canis, while spine 1 and 2 in Ct. felis are the same length
Head length in Ct. canis is less than twice the height while in Ct. felis it is five times the height
Spine 1 of genal comb is longer than spine 2 in Ct. canis, while spine 1 and 2 in Ct. felis are the same length
Head length in Ct. canis is less than twice the height while in Ct. felis it is five times the height
In Ct. felis head with horizontal sloping frons, while in Ct. canis head with rounded frons
Spine 1 of genal comb is longer than spine 2 in Ct. canis, while spine 1 and 2 in Ct. felis are very short

Explanation

Question 3 of 12

1

Identify this species of Siphonaptera

-identified by short thorax (Thorax distinctly shorter than the first abdominal segment)
-no pronotal or genal combs
-stay attached at single site
-not host specific
-common in hot dry areas
-other species occur on native mammals

Select one of the following:

Echidnophaga gallinacea
Ctenocephalides felis
Pulex irritans

Explanation

Question 4 of 12

1

What is true of Spilopsyllus cuniculi- the rabbit flea?

Select one of the following:

Only breeds when host breeds
Not found on rabbits
Possesses a horizontal genal comb

Explanation

Question 5 of 12

1

What suborder of lice do the features listed belong to?

-Sucking lice
-head narrow and pointed
-feed on blood or tissue fluid
-found on mammals

Select one of the following:

Anoplura
Mallophaga

Explanation

Question 6 of 12

1

What suborder of lice to the features listed belong to?

-biting lice
-head broad, rounded
-feed on epidermis, feathers
-found on mammals and birds

Select one of the following:

Anoplura
Mallophaga

Explanation

Question 7 of 12

1

Which species of lice are known to infect the sheep?

Select one or more of the following:

Linognathus ovillus
Damalinia ovis
Linognathus pedalis
Linognathus stenopsis
Damalinia caprae
Linognathus africanus

Explanation

Question 8 of 12

1

Which species of lice are known to infect the ox/cattle?

Select one or more of the following:

Linognathus vituli
Damalinia bovis
Haematopinus spp.
Solenopotes capillatus
Haematopinus asini
Damalinia equi

Explanation

Question 9 of 12

1

Which species of lice are known to infect the horse?

Select one or more of the following:

Haematopinus asini
Damalinia equi
Haematopinus suis
Linognathus vituli
Damalinia bovis
Haematopinus spp.

Explanation

Question 10 of 12

1

Identify this species of lice.

-Head broad, front usually rounded, sometimes triangular, usually as wide as or wider than the thorax
-small yellow louse
-feeds on stratum corneum
-can cause hypersensitivity
-irritation, rubbing leading to “pulled wool” and reduced wool production
-to find lice on sheep part wool and look
-lice are colonial and photophobic

Select one of the following:

Damalinia ovis
Linognathus ovillus
Linognathus pedalis

Explanation

Question 11 of 12

1

Identify this species of lice.

-Head at least twice as long as it is wide.
-Found on face and ears.
-Black.

Select one of the following:

Linognathus ovillus
Damalinia ovis
Linognathus pedalis

Explanation

Question 12 of 12

1

Identify this species of lice.

-Has forward prolongations behind the antennae, marked paratergal plates and has one row of spines on each abdominal segment.
-Large blue louse on back and around butt of tail.

Select one of the following:

Haematopinus eurysternus
Haematopinus tuberculatus
Linognathus vituli
Solenopotes capillatus

	Created by Kathryn Borg over 8 years ago

DVM2 Parasitology Quiz on Parasitology week 3, created by Kathryn Borg on 10/04/2016.

Parasitology week 3

Question 1 of 12

Identify these features on the flea

Drag an answer into the correct orange point.

Explanation

Question 2 of 12

Both Ctenocephalides. felis and Ct. canis are found on dogs & cats, how could you distinguish between the two?

Select one of the following:

Explanation

Question 3 of 12

Identify this species of Siphonaptera -identified by short thorax (Thorax distinctly shorter than the first abdominal segment) -no pronotal or genal combs -stay attached at single site -not host specific -common in hot dry areas -other species occur on native mammals

Select one of the following:

Explanation

Question 4 of 12

What is true of Spilopsyllus cuniculi- the rabbit flea?

Select one of the following:

Explanation

Question 5 of 12

What suborder of lice do the features listed belong to? -Sucking lice -head narrow and pointed -feed on blood or tissue fluid -found on mammals

Select one of the following:

Explanation

Question 6 of 12

What suborder of lice to the features listed belong to? -biting lice -head broad, rounded -feed on epidermis, feathers -found on mammals and birds

Select one of the following:

Explanation

Question 7 of 12

Which species of lice are known to infect the sheep?

Select one or more of the following:

Explanation

Question 8 of 12

Which species of lice are known to infect the ox/cattle?

Select one or more of the following:

Explanation

Question 9 of 12

Which species of lice are known to infect the horse?

Select one or more of the following:

Explanation

Question 10 of 12

Select one of the following:

Explanation

Question 11 of 12

Identify this species of lice. -Head at least twice as long as it is wide. -Found on face and ears. -Black.

Select one of the following:

Explanation

Question 12 of 12

Identify this species of lice. -Has forward prolongations behind the antennae, marked paratergal plates and has one row of spines on each abdominal segment. -Large blue louse on back and around butt of tail.

Select one of the following:

Explanation

Identify this species of Siphonaptera

-identified by short thorax (Thorax distinctly shorter than the first abdominal segment)
-no pronotal or genal combs
-stay attached at single site
-not host specific
-common in hot dry areas
-other species occur on native mammals

What suborder of lice do the features listed belong to?

-Sucking lice
-head narrow and pointed
-feed on blood or tissue fluid
-found on mammals

What suborder of lice to the features listed belong to?

-biting lice
-head broad, rounded
-feed on epidermis, feathers
-found on mammals and birds

Identify this species of lice.

-Head at least twice as long as it is wide.
-Found on face and ears.
-Black.

Identify this species of lice.

-Has forward prolongations behind the antennae, marked paratergal plates and has one row of spines on each abdominal segment.
-Large blue louse on back and around butt of tail.