Final

Question 1

When is lice a problem in cattle?

Answer 1

winter

Question 2

How many eggs does a flea lay in a day? a lifetime?

Answer 2

day = 25-50
liftetime = 2,000

Question 3

When do flea eggs hatch?

Answer 3

2-5 days after being laid

Question 4

What can kill all life stages of flea?

Answer 4

freezing

Question 5

How long is the lifecycle of fleas in the midwest?

Answer 5

28 days

Question 6

What causes generalized demodex/red mange?

Answer 6

t-cell deficiency, inherited

Question 7

What shape is demodex?

Answer 7

cigar shaped

Question 8

What genus is walking dandruff?

Answer 8

cheyletiella

Question 9

What is the most important external parasite in pigs?

Answer 9

sarcoptes scabii ssp. suis

Question 10

What is the lifecycle of demodex mites?

Answer 10

all life stages in the hair follicle

Question 11

What is the cause of red mange?

Answer 11

demodex

Question 12

What part of chiggers life cycle is parasitic?

Answer 12

larvae

Question 13

What mite is reportable?

Answer 13

psroptes

Question 14

How long is the otodectes mite life cycle?

Answer 14

3 weeks

Question 15

What can otodectes cause besides ear itching?

Answer 15

lesions on face

Question 16

What mite causes scabies in cats?

Answer 16

notoedres cati

Question 17

What is the “scaly leg mite”?

Answer 17

knemidokoptes mutans

Question 18

What is the host of knemidokoptes?

Answer 18

birds

Question 19

What are the clinical signs of knemidokoptes?

Answer 19

deformed beaks, toe nails deformed

Question 20

What is the DH of chiggers?

Answer 20

turkeys and other fowl

Question 21

How does chiggers cause damage?

Answer 21

produce enzyme that liquefies skin, does not burrow

Question 22

What is the scientific name for lone star tick?

Answer 22

amblyomma americanum

Question 23

What tick has a painful bite and long piercing mouth parts?

Answer 23

lone star tick

Question 24

Which ticks do not have festoons?

Answer 24

black legged tick

Question 25

Which ticks have an "oranate"" appearance?

Answer 25

dermacentor (wood tick, dog tick)

Question 26

What tick genus uses dogs for it's whole life cycle?

Answer 26

Rhipicephalus, brown dog tick

Question 27

What tick has a "frowny face" because the anal groove is anterior to the anus?

Answer 27

ixodes scapularis,(deer tick, black legged tick)

Question 28

What tick can cause rash and flu but no other severe symptoms?

Answer 28

southern tick but is amblyomma americanum (lone star tick)

Question 29

What tick transmits lyme disease?

Answer 29

ixodes scapularis (deer tick)

Question 30

What is the tick that can reproduce indoors?

Answer 30

rhipicephalus sanguinus (brown dog tick)

Question 31

What tick can the male not engorge on blood?

Answer 31

dermacentor, (dog tick)

Question 32

What myiasis damages hide in cattle?

Answer 32

hypoderma

Question 33

What is the horse bot fly?

Answer 33

gastrophilus

Question 34

Where does gastrophilus lay its eggs?

Answer 34

on legs of horses

Question 35

What is the sheep nasal bot?

Answer 35

oestrus ovis