lesson 12

Question 1

Which pest poses the gravest risk of food safety?

Answer 1

-house fly aka filth fly

Question 2

How do house flies pick up filth?

Answer 2

• sticks to hair on their bodies

- eat waste matter w/microorganisms

Question 3

estimated number of bacteria on house fly

Answer 3

28 million

Question 4

estimated number of bacteria inside house fly

Answer 4

5 million

Question 5

4 stages in life of house fly

Answer 5

• egg
• larva
• pupa
• adult

Question 6

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

Answer 6

-up to 900

Question 7

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

Answer 7

-8-20 hrs

Question 8

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

1) warm weather
2) cold weather

Answer 8

1) 1 week or less

2) up to 8 wks

Question 9

Range of time for pupa to transform into adult

Answer 9

3 days - 5 weeks

Question 10

Where do house flies prefer to lay eggs?

Answer 10

decaying organic materials

Question 11

two kinds of electric fly trappers and which one is prohibited

Answer 11

• fly zapper (electrocutes fly) - prohibited

- fly catcher (glue trap)

Question 12

Briefly describe appearance of fruit fly

Answer 12

• 1/8 inch
• red eyes
• tan thorax/head

Question 13

Effects of consumption of fruit fly larvae

Answer 13

• intestinal pain

- diarrhea

Question 14

Name the 2 diff types of roaches in NYC

Answer 14

• German Roach

- American Roach

Question 15

Why are roaches so dangerous?

Answer 15

• can trigger allergic reaction (asthma)

- carry disease causing bacteria

Question 16

Describe the appearance of an adult German Roach

Answer 16

• light
• 2 dark stripes on head
• 5/8 inches

Question 17

Describe the appearance of a young German Roach

Answer 17

• wingless
• black
• single white stripe down middle

Question 18

How many cockroach babies per egg approx

Answer 18

36

Question 19

How does the female German cockroach carry her eggs

Answer 19

-capsule protruding from abdomen

Question 20

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

Answer 20

28-30 days

Question 21

How long does it take for nymphs to develop?

Answer 21

40-125 days

Question 22

Lifespan of German roach

Answer 22

around 200 days

Question 23

Describe appearance of American cockroach

Answer 23

• 1.5 inches
• reddish/brown
• wings
• yellow margin on head

Question 24

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

Answer 24

immature are wingless

Question 25

Conditions preferable to American cockroaches

Answer 25

- moist | - warm (around 85)

Question 26

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

Answer 26

obtain certification as 'commercial applicator'

Question 27

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

Answer 27

- central Asia | - 1700s

Question 28

Describe briefly appearance of norway rat

Answer 28

- reddish gray or brown (sometimes black) - white belly - coarse fur - weigh about 1 pound

Question 29

Preferred diet of rat

Answer 29

(balanced) - meats - fish - grains - nuts - cereals

Question 30

Lifespan of rat

Answer 30

``` 1 year (outside) 3 years (in captivity) ```

Question 31

True/false - rats have really good eyesight

Answer 31

false

Question 32

Describe appearance of house mouse

Answer 32

- grayish brown | - 2-5 oz

Question 33

Preferred diet of mouse

Answer 33

- seeds | - grains

Question 34

How many days after mating are mice born

Answer 34

19-21

Question 35

How many litters to female mice have/yr

Answer 35

5-10

Question 36

What is the IPM?

Answer 36

Integrated Pest Management

Question 37

3 principles of IPM

Answer 37

- starve them - build them out - destroy them

Question 38

Signs indicating severity of rodent infestation

Answer 38

- droppings - gnawing - rodent runs - burrows - rodent odors - runways - urine stains - rodent sounds

Question 39

3 types of rodent harborage

Answer 39

- incidental - temporary - structural

Question 40

What is the mass trapping technique?

Answer 40

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

Question 41

Which trapping method has the lowest success rate? | why?

Answer 41

- glue boards | - rodents detect the glue and avoid the traps

Question 42

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

Answer 42

- ingredients mixed w/talcum powder | - higher concentration of toxins

Question 43

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

Answer 43

true