Stored Product Pest

Question 1

most damage is caused by what two insects

Answer 1

beetles
moths

Question 2

what stages are the most destructive for beetles

Answer 2

larvae
adults

Question 3

what stages are the most destructive for moths

Answer 3

larvae only

Question 4

beetles and moths undergo which life cycle

Answer 4

complete metamorphosis

Question 5

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

Answer 5

consumption

Question 6

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

Answer 6

contamination

Question 7

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

Answer 7

palatability

Question 8

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

Answer 8

cooking quality

Question 9

the most important impact of stored product pests

Answer 9

medical importance

Question 10

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

Answer 10

irritation

Question 11

some individuals are hypersensitive to insects and insect by-products

Answer 11

allergies

Question 12

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

Answer 12

revulsion

Question 13

infestations most often occur in what mode

Answer 13

transmit mode

Question 14

favoring conditions of infestations

Answer 14

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

Question 15

methods of entry

Answer 15

penetration
invasion

Question 16

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

Answer 16

penetration

Question 17

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

Answer 17

invasion

Question 18

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

Answer 18

Dermestid Beetles

Question 19

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

Answer 19

khapra beetles

Question 20

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

Answer 20

khapra beetles

Question 21

Appearance:
oval brownish black

Answer 21

warehouse beetle

Question 22

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

Answer 22

warehouse beetle

Question 23

Flour beetles

Answer 23

red flour beetle
confused flour beetle

Question 24

Appearance:
red-brown to black

Answer 24

red flour beetle & confused flour beetle

Question 25

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

Answer 25

red flour beetle

Question 26

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

Answer 26

confused flour beetle

Question 27

Appearance: very flat, narrow, and dark brown

Answer 27

sawtoothed grain beetle

Question 28

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

Answer 28

sawtoothed grain beetle

Question 29

Appearance: red to black

Answer 29

granary weevils

Question 30

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

Answer 30

granary weevils

Question 31

Appearance: round, light brown with head bent downward

Answer 31

cigarette beetle

Question 32

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

Answer 32

cigarette beetle

Question 33

destructive life stage for moths

Answer 33

larvae

Question 34

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

Answer 34

indian meal moth

Question 35

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

Answer 35

indian meal moth

Question 36

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

Answer 36

Mediterranean flour moth

Question 37

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

Answer 37

Mediterranean flour moth

Question 38

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

Answer 38

psocids

Question 39

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

Answer 39

grain mites

Question 40

infested/contaminated products are

Answer 40

placed on medical hold and segregated from other products

Question 41

Condemnation Level: Dermestid spp.Beetles

Answer 41

1 or more

Question 42

Condemnation Level: Flour Beetles

Answer 42

Average of 3 or more per pound of product

Question 43

Condemnation Level: Other Beetles, Pests or Moths

Answer 43

Average of 7 or more per pound of product

Question 44

if infestations levels meet the condemnation levels

Answer 44

insects are killed and product is disposed of

Question 45

infestation levels within safe tolerances

Answer 45

treated IAW procedures: Freezing Fumigation

Question 46

held at 0 degrees F for a minimum of two weeks

Answer 46

freezing

Question 47

preferred method and is carried out by pest management personnel

Answer 47

Fumigation

Question 48

signs of infestation

Answer 48

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

Question 49

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

Answer 49

pheromone

Question 50

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

Answer 50

pheromone trap

Question 51

other traps:

Answer 51

glue boards light traps suction traps

Question 52

control measures:

Answer 52

Prevention Cultural Control Mechanical Control Physical Control Chemical Control

Question 53

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

Answer 53

prevent

Question 54

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

Answer 54

Cultural control

Question 55

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

Answer 55

mechanical control

Question 56

altering the temperature and humidity

Answer 56

physical control

Question 57

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

Answer 57

residual treatment

Question 58

aerosols that do not penetrate packing material or bulk food products

Answer 58

space treatment

Question 59

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

Answer 59

fumigant