Parasitology Test 3 - Lice

Front 1

What physical property of lice helps distinguish them from fleas

Back 1

Dorsoventrally flattened

Front 2

Side 2: What does mallophaga refer to
Side 3: What animals do these lice normally infect

Back 2

Chewing lice

Hint 2

Mammals and birds

Front 3

Side 2: What is the lifecycle of mallophaga lice
Side 3: What is the host specificity

Back 3

Simple metamorphosis
Entire life cycle on single host

Hint 3

Very host specific (treat topical 2X)

Front 4

What is the pathology of mallophaga lice

Back 4

Irritation, blood loss, dz transmission (Dipylidium)

Front 5

Side 2: What category of lice does Damalinia belong to
Side 3: What hosts does it normally infest

Back 5

Mallophaga

Hint 5

Horses, cattle, sheep

Front 6

Side 2: What are the symptoms of Damalinia infestation
Side 3: What needs to be considered when treating

Back 6

Irritation, restlessness, scratching, wool damage, decreased production

Hint 6

Lanolinin wool repels water, use high-pressure sprayer (or separate hair to penetrate to skin)

Front 7

Side 2: What category of lice does Trichodectes belong to
Side 3: What hosts does it normally infest

Back 7

Mallophaga

Hint 7

Dog

Front 8

What is Trichodectes an intermediate host for

Back 8

Dipylidium

Front 9

Side 2: What category of lice does Felicola belong to
Side 3: What hosts does it normally infest

Back 9

Mallophaga

Hint 9

Cat (only louse infecting cats)

Front 10

Side 2: What category of lice does Menopon belong to
Side 3: What hosts does it normally infest

Back 10

Mallophaga

Hint 10

Poultry

Front 11

What is the lifecycle of Mallophaga lice

Back 11

Eggs (nits) glued to host hair/feathers, hatch 8-18 d
Nymphs: 3 stages, each 1 wk
Male/female adults: mate, lay eggs
Transmission: close contact, fomites

Front 12

Side 2: What does Anoplura refer to
Side 3: What type of animal do these infest

Back 12

Bloodsucking lice

Hint 12

Placental mammals only

Front 13

What is the host specificity of anoplura lice

Back 13

very host specific

Front 14

Side 2: What category of lice does Haematopinus belong too
Side 3: What hosts does it normally infest

Back 14

Anoplura

Hint 14

Short-nosed cattle louse

Front 15

Side 2: What category of lice does Haematopinus asini belong to
Side 3: What hosts does it normally infest

Back 15

Anoplura

Hint 15

Horses

Front 16

Side 2: What category of lice does Haematopinus suis belong to
Side 3: What hosts does it normally infest

Back 16

Anoplura

Hint 16

Pigs (only louse of pigs)

Front 17

Side 2: What category of lice does Linognathes vitui belong to
Side 3: What hosts does it normally infest

Back 17

Anoplura

Hint 17

Long-nosed cattle

Front 18

Side 2: What category of lice does Linognathes setosus belong to
Side 3: What hosts does it normally infest

Back 18

Anoplura

Hint 18

Dogs

Front 19

Side 2: What category of lice does Solenoptes capillatus belong to
Side 3: What hosts does it normally infest

Back 19

Anoplura

Hint 19

Cattle

Front 20

Side 2: What category of lice does Menacanthus belong to
Side 3: What hosts does it normally infest

Back 20

Anoplura

Hint 20

Chicken body louse

Front 21

Side 2: What are the presentations of infestation with Anoplura lice
Side 3: How is it diagnosed

Back 21

Staining of wool, anemia, self mutilation

Hint 21

Observe lice (3 body parts), nits, soiling of coat with feces

Front 22

When are Anoplura lice normally seen

Back 22

During cooler parts of year due to thicker hair coat, worse when crowded

Front 23

Side 2: What category of lice do Pthiris pubis belong to
Side 3: What hosts do they normally infest

Back 23

Anoplura

Hint 23

Human pubic/axillary hair, beards

Front 24

Side 2: How is Pthiris pubis transferred
Side 3: What is it commonly referred to as (can you get it from your dog?)

Back 24

Direct contact

Hint 24

Crabs (NO!)

Front 25

Side 2: What category of lice does Pediculus humanis capitis belong to
Side 3: What hosts does it normally infest

Back 25

Anoplura

Hint 25

Head louse of humans (eggs glued to hair)

Front 26

Side 2: What category of lice does Pediculus humanis humanis belong to
Side 3: What hosts does it normally infest

Back 26

Anoplura

Hint 26

Body louse of humans (Eggs deposited in clothing, not glued to hair)

Front 27

What is Pediculus humanis humanis a vector for

Back 27

Rickettsia powezekii (epidemic typhus)