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PHA BLK 7 > Stored Product Pest > Flashcards

Stored Product Pest Flashcards

1
Q

most damage is caused by what two insects

A

beetles
moths

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2
Q

what stages are the most destructive for beetles

A

larvae
adults

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3
Q

what stages are the most destructive for moths

A

larvae only

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4
Q

beetles and moths undergo which life cycle

A

complete metamorphosis

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5
Q

eating the product is one way SPPs have an effect on the food they infest

A

consumption

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6
Q

live insects, body parts, webbing, cast skins, fecal wastes, odors are examples

A

contamination

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7
Q

pests often impart a bitter, stale taste to products they infest

A

palatability

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8
Q

some products, like flour, will not rise properly if they have had an insect infestation

A

cooking quality

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9
Q

the most important impact of stored product pests

A

medical importance

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10
Q

shed skins of dermestid larvae can cause contact dermatitis and barbed hairs pose a health problem if swallowed in contaminated grains

A

irritation

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11
Q

some individuals are hypersensitive to insects and insect by-products

A

allergies

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12
Q

there mere presence of insects in food can cause some people to experience physical symptoms such as itching, nauseas, and vomiting

A

revulsion

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13
Q

infestations most often occur in what mode

A

transmit mode

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14
Q

favoring conditions of infestations

A

poor sanitation
improper handling
poor storage and stock rotation
moisture
warmth
easy access

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15
Q

methods of entry

A

penetration
invasion

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16
Q

both larvae and/or adults may be able to bore holes in the packaging

A

penetration

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17
Q

pests enter through rips, tears, or along seams of the package

A

invasion

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18
Q

are medically important because the larvae have barbed hairs that can penetrate the mucosal lining of the GI tract, causing irritation, vomiting, and diarrhea

A

Dermestid Beetles

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19
Q

Appearance:
oval dark brown beetles
smudgy yellowish or reddish-brown transverse stripes on the wing covers
covered with fine hairs

A

khapra beetles

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20
Q

Importance:
most destructive dermestid beetle worldwide
previously eradicated from the US but are still intercepted at ports of entry
quarantinable pest
found in countries; India, Kuwait, Afghanistan
resistant to any insecticides and fumigants

A

khapra beetles

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21
Q

Appearance:
oval brownish black

A

warehouse beetle

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22
Q

Importance:
can fly
are voracious feeders
found in cereals, flour, cake/pancake mixes

A

warehouse beetle

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23
Q

Flour beetles

A

red flour beetle
confused flour beetle

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24
Q

Appearance:
red-brown to black

A

red flour beetle & confused flour beetle

25
Q

Importance:
found in WARMER climates in the SOUTHERN states
infestations create a strong odor and affect taste/cooking quality
products include flour, cereals, beans, and dried pet food

A

red flour beetle

26
Q

Importance:
occurs worldwide in COOLER climates
more abundant in the NORTHERN states
infestations create a strong odor and affect taste/cooking quality
products include flour, cereals, beans, and dried pet food

A

confused flour beetle

27
Q

Appearance:
very flat, narrow, and dark brown

A

sawtoothed grain beetle

28
Q

Importance:
found in grocery stores, food warehouses, grain storage facilities
products include flour, cereal, bread, pasta & sugar

A

sawtoothed grain beetle

29
Q

Appearance:
red to black

A

granary weevils

30
Q

Importance:
among the most destructive pest of un-milled grains, seeds and grain products in grain bins
products include wheat, corn, macaroni, oats

A

granary weevils

31
Q

Appearance:
round, light brown with head bent downward

A

cigarette beetle

32
Q

Importance:
strong fliers
found in wide variety of products, including tobacco, cereals, flour
can infest MREs

A

cigarette beetle

33
Q

destructive life stage for moths

A

larvae

34
Q

Appearance:
lower two thirds of the forewings are reddish bronze with irregular dark bands
upper one third is silvery white or grey

A

indian meal moth

35
Q

Importance:
general feeder
common pest of grain, seeds, dried fruits, dog food

A

indian meal moth

36
Q

Appearance:
gray wings w/ 3 or 4 zigzag lines across them

A

Mediterranean flour moth

37
Q

Importance:
found globally
prefers flour and meal, also attacks grain, and cereal products

A

Mediterranean flour moth

38
Q

are tiny, pale gray or yellowish-white, wingless, soft-bodies insects
“book lice”
feed primarily on mold

A

psocids

39
Q

tiny tick relatives look like dust
almost colorless
long microscopic hairs
most important mites infesting cereals, mold spores, corn, dried fruits
cause temporary skin irritation or respiratory difficulties

A

grain mites

40
Q

infested/contaminated products are

A

placed on medical hold and segregated from other products

41
Q

Condemnation Level:
Dermestid spp.Beetles

A

1 or more

42
Q

Condemnation Level:
Flour Beetles

A

Average of 3 or more per pound of product

43
Q

Condemnation Level:
Other Beetles, Pests or Moths

A

Average of 7 or more per pound of product

44
Q

if infestations levels meet the condemnation levels

A

insects are killed and product is disposed of

45
Q

infestation levels within safe tolerances

A

treated IAW procedures:
Freezing
Fumigation

46
Q

held at 0 degrees F for a minimum of two weeks

A

freezing

47
Q

preferred method and is carried out by pest management personnel

A

Fumigation

48
Q

signs of infestation

A

holes in packaging
caking
webs
live insects
pupae or cocoons
fecal waste

49
Q

a chemical compound produced by an organism that initiatives a behavioral activity in others of the same species

A

pheromone

50
Q

device utilizing a pheromone lure that attracts and retains insects
used primarily for monitoring specific pests

A

pheromone trap

51
Q

other traps:

A

glue boards
light traps
suction traps

52
Q

control measures:

A

Prevention
Cultural Control
Mechanical Control
Physical Control
Chemical Control

53
Q

once infestations are established they are very difficult to reverse, so it is important to _____ infestations

A

prevent

54
Q

sanitation is the most effective method to control stored product pest infestations

A

Cultural control

55
Q

insect resistant packaging;
traps, tight fitting doors/windows, sealing cracks

A

mechanical control

56
Q

altering the temperature and humidity

A

physical control

57
Q

general surface treatments that kill pests that land on treated surfaces, and some crack and crevice applications

A

residual treatment

58
Q

aerosols that do not penetrate packing material or bulk food products

A

space treatment

59
Q

gaseous pesticide used to penetrate packaging to kill pests throughout the product

A

fumigant

PHA BLK 7 (12 decks)

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