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PHA BLK 7 > Rodents > Flashcards

Rodents Flashcards

1
Q

most significant & largest pest species among the commensal rodents

A

Norway rat

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2
Q

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

A

Norway rat

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3
Q

blunt muzzle
small ears and eyes

A

Norway rat

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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

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5
Q

major nuisances when associated with human habitations

A

Roof rat

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6
Q

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

A

Roof rat

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7
Q

muzzle is relatively pointed
ears and eyes are large

A

Roof rat

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8
Q

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

A

Roof rat

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9
Q

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

A

House mouse

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10
Q

rodents are ____ breeders

A

prolific

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11
Q

Norway and roof rats become sexually mature at approximately

A

3 months
continue to breed rest of their lives

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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.

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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

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14
Q

Senses and Abilities:
memories

A

rodents also have excellent memories and seldom repeat mistakes

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15
Q

Senses and Abilities:
swimming

A

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

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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

A

Plague

19
Q

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

A

Hantavirus

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

A

rodent feces

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
Q

cultural control

A

sanitation

26
Q

mechanical control

A

exclusion
traps

27
Q

Trapping advantages

A

non-toxic
allow the recovery of the animal
can be more humane

28
Q

trap that kills the rat

A

snap trap

29
Q

where someone else has to kill the rat

A

live trap

30
Q

rat is captured by the glue

A

sticky trap

31
Q

chemical control

A

rodenticides

32
Q

Kill rats with one feeding, very toxic
More effective over multiple feedings

A

Acute rodenticides

33
Q

Are more commonly used
Rats must feed multiple times over several days to get a toxic dose and cause mortality

A

Chronic rodenticides

34
Q

Air Force policy is that we will not use these. They are very expensive

A

high frequency sound

35
Q

ineffective method of control

A

cats

PHA BLK 7 (12 decks)

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