Rodents Flashcards

(35 cards)

1
Q

most significant & largest pest species among the commensal rodents

A

Norway rat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

a relatively large, thick body, these rats can reach over a foot in length and weigh over one pound

A

Norway rat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

blunt muzzle
small ears and eyes

A

Norway rat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

diseases it carries has caused more deaths than all wars throughout history, and it causes staggering economic losses from damaged crops, destruction of food, and physical damage to property

A

Norway rat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

major nuisances when associated with human habitations

A

Roof rat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

relatively slender body, seldom exceed 8 inches in body length and normally weigh less than one pound

A

Roof rat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

muzzle is relatively pointed
ears and eyes are large

A

Roof rat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

tail is longer than the combined length of the head and body, and has more hair

A

Roof rat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

body length usually does not exceed 3.5 inches, maximum weight is around 1 ounce, and has large ears

A

House mouse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

rodents are ____ breeders

A

prolific

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Norway and roof rats become sexually mature at approximately

A

3 months
continue to breed rest of their lives

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Rodent behavior

A

I. Nocturnal – active at night
II. Stay close to food and water - regardless of food availability
III. Tend to travel in defined runways.
IV. Neophobic - avoid new objects
V. Constant gnawing – most destructive rodent habit, causing significant physical damage.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Senses and Abilities:
sensory acuity

A

taste, smell, and hearing much more acute than humans
sensitive to light, colors, and motions
colorblind
tactile senses are an important aspect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Senses and Abilities:
memories

A

rodents also have excellent memories and seldom repeat mistakes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Senses and Abilities:
swimming

A

all commensal rodents are good swimmers with the Norway rat being the most adept at this activity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Senses and Abilities:
climbing

A

rodents are among the most agile of all mammals

17
Q

Senses and Abilities:
burrowing

A

This activity is demonstrated by all commensal rodents with the Norway rat being most adept at this activity

18
Q

zoonotic, vector-borne disease caused by bacterium Yersinia pestis and primarily transmitted by the bite of infected fleas found on rodents

19
Q

Infects rodents (mice) but do not cause disease
Transmitted to humans via contact with rodent urine, saliva, or aerosolized rodent feces

20
Q

Direct Effects:
Attacks on humans

A

rats can be vicious biters, especially when provoked or hungry

21
Q

Direct Effects:
Economic Importance

A

Rodents destroy stored grains and other products.
They are capable of causing damage to infrastructure by gnawing

22
Q

Usually the first indication of an infestation

23
Q

Surveillance of rodents

A

feces
smudge marks/rubs
runs/tracks
gnawing
burrowing
visual observation
odors
sound
pet excitement

24
Q

IPM for rodents consists of the following:

A

knowledge, inspection, identification, sanitation, exclusion, trapping, and baiting

25
cultural control
sanitation
26
mechanical control
exclusion traps
27
Trapping advantages
non-toxic allow the recovery of the animal can be more humane
28
trap that kills the rat
snap trap
29
where someone else has to kill the rat
live trap
30
rat is captured by the glue
sticky trap
31
chemical control
rodenticides
32
Kill rats with one feeding, very toxic More effective over multiple feedings
Acute rodenticides
33
Are more commonly used Rats must feed multiple times over several days to get a toxic dose and cause mortality
Chronic rodenticides
34
Air Force policy is that we will not use these. They are very expensive
high frequency sound
35
ineffective method of control
cats