lesson 12 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Which pest poses the gravest risk of food safety?

A

-house fly aka filth fly

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

How do house flies pick up filth?

A
  • sticks to hair on their bodies

- eat waste matter w/microorganisms

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

estimated number of bacteria on house fly

A

28 million

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

estimated number of bacteria inside house fly

A

5 million

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

4 stages in life of house fly

A
  • egg
  • larva
  • pupa
  • adult
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How many eggs can a female house fly lay in her lifetime?

A

-up to 900

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

how long does it take for white pupa to emerge from their eggs

A

-8-20 hrs

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

How long does the total development of the larva last in…

1) warm weather
2) cold weather

A

1) 1 week or less

2) up to 8 wks

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

Range of time for pupa to transform into adult

A

3 days - 5 weeks

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

Where do house flies prefer to lay eggs?

A

decaying organic materials

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

two kinds of electric fly trappers and which one is prohibited

A
  • fly zapper (electrocutes fly) - prohibited

- fly catcher (glue trap)

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

Briefly describe appearance of fruit fly

A
  • 1/8 inch
  • red eyes
  • tan thorax/head
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Effects of consumption of fruit fly larvae

A
  • intestinal pain

- diarrhea

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

Name the 2 diff types of roaches in NYC

A
  • German Roach

- American Roach

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

Why are roaches so dangerous?

A
  • can trigger allergic reaction (asthma)

- carry disease causing bacteria

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

Describe the appearance of an adult German Roach

A
  • light
  • 2 dark stripes on head
  • 5/8 inches
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Describe the appearance of a young German Roach

A
  • wingless
  • black
  • single white stripe down middle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How many cockroach babies per egg approx

A

36

19
Q

How does the female German cockroach carry her eggs

A

-capsule protruding from abdomen

20
Q

How many days does it take for German cockroaches to hatch?

A

28-30 days

21
Q

How long does it take for nymphs to develop?

A

40-125 days

22
Q

Lifespan of German roach

A

around 200 days

23
Q

Describe appearance of American cockroach

A
  • 1.5 inches
  • reddish/brown
  • wings
  • yellow margin on head
24
Q

What is the difference in appearance between immature and adult American cockroach?

A

immature are wingless

25
Q

Conditions preferable to American cockroaches

A
  • moist

- warm (around 85)

26
Q

What must be done in order to be able to use pesticides?

A

obtain certification as ‘commercial applicator’

27
Q

Where is the Norway rat believed to have come from and how long ago?

A
  • central Asia

- 1700s

28
Q

Describe briefly appearance of norway rat

A
  • reddish gray or brown (sometimes black)
  • white belly
  • coarse fur
  • weigh about 1 pound
29
Q

Preferred diet of rat

A

(balanced)

  • meats
  • fish
  • grains
  • nuts
  • cereals
30
Q

Lifespan of rat

A
1 year (outside)
3 years (in captivity)
31
Q

True/false - rats have really good eyesight

A

false

32
Q

Describe appearance of house mouse

A
  • grayish brown

- 2-5 oz

33
Q

Preferred diet of mouse

A
  • seeds

- grains

34
Q

How many days after mating are mice born

A

19-21

35
Q

How many litters to female mice have/yr

A

5-10

36
Q

What is the IPM?

A

Integrated Pest Management

37
Q

3 principles of IPM

A
  • starve them
  • build them out
  • destroy them
38
Q

Signs indicating severity of rodent infestation

A
  • droppings
  • gnawing
  • rodent runs
  • burrows
  • rodent odors
  • runways
  • urine stains
  • rodent sounds
39
Q

3 types of rodent harborage

A
  • incidental
  • temporary
  • structural
40
Q

What is the mass trapping technique?

A

setting up a large number of traps to catch as many rats as possible before they become trap shy

41
Q

Which trapping method has the lowest success rate?

why?

A
  • glue boards

- rodents detect the glue and avoid the traps

42
Q

why is the use of rodenticide tracking powder not allowed in commercial food establishment

A
  • ingredients mixed w/talcum powder

- higher concentration of toxins

43
Q

True or false - service animals accompanying disabled person should be allowed into facility

A

true