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Structual Pest Control- WI Commercial Category 7.1 > Chapter 2- Managing Insect Pests > Flashcards

Chapter 2- Managing Insect Pests Flashcards

(42 cards)

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1
Q

T or F: Cockroaches account for the majority of indoor pest
problems in restaurants, food-handling facilities,
and multiple-unit housing?

A

T

REF: Ch 2 Pg 5

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2
Q

What are some characteristics of cockroaches?

A
  • Flat
  • Quick moving
  • Avoid light
  • Most active at night
  • Chewing mouth
  • Hairlike antennae
  • Dull or dark colored
  • Simple metamorphosis

REF: Ch 2 Pg 6

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3
Q

Depending on the species, females lay how many eggs?

A

15-40 in a capsule (called ootheca) 8-15 capsules in lifetime

REF: Ch 2 Pg 6

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4
Q

Type of food cockroaches feed on?

A
  • Human or animal food
  • Dead animals
  • Plants
  • Leather
  • Glue
  • Hair
  • Wallpaper

REF: Ch 2 Pg 6

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5
Q

Best environment for cockroaches?

A
  • High moisture
  • High temp
  • Poor sanitation

REF: Ch 2 Pg 6

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6
Q

Where do cockroaches hide during the day?

A
  • Cracks and crevices
  • Plumbing fixtures
  • Under window frames
  • Around motors

REF: Ch 2 Pg 6

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7
Q

How many major species of cockroach are in U.S.?

A

Over 50

REF: Ch 2 Pg 6

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8
Q

Common cockroaches to WI?

A
  • German (most common, tan and brown, 2 parallel dark stripes behind head, lives 200 days)
  • Brown-banded (2 yellow bands across body by wings)
  • Oriental (dark brown or black, females wingless, males small wings, 2 year life cycles)
  • American and Australian (Reddish brown, brought in from warmer climates, restaurants, grocery stores, bakeries, steam tunnel and sewer)
  • Wood (Only native specie to WI, dark brown, pale stripe outer wing and thorax, females have short wings and look like Oriental)

REF: Ch 2 Pg 7 Fig 4

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9
Q

Name different treatment controls for cockroaches?

A
  • Insect growth regulator (IGR) use with insecticide
  • Bait (perform poorly if sanitation is bad already)
  • Crack and crevice (primary means for German roach, insecticide into cracks)
  • Spray

REF: Ch 2 Pg 8

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10
Q

Some characteristics of ants?

A

-Complete metamorphosis
-Larvae helpless
-Workers travel a long distance looking for food
-Diet sweets, plant juices, honeydew
from aphids, other insects, honey, meat scraps,
grease, fats, pet food and more
-Only queens lay eggs

REF: Ch 2 Pg 9

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11
Q

Why do ants pose a special control problem?

A

They are a social insect. Need to deal with whole colony. Kill queen.

REF: Ch 2 Pg 9

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12
Q

Common ants found in WI?

A
  • Carpenter
  • Large yellow
  • Thief or grease
  • Pavement
  • Cornfield
  • Pharaoh

REF: Ch 2 Pg 9 Fig 8

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13
Q

Carpenter Ants characteristic?

A

-Medium to large
-All black or black
and red
-Bring most complaints for insects from homeowners in WI
-Do not eat or bore into sound wood
-Only nest in softened wood

REF: Ch 2 Pg 10

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14
Q

Large Yellow Ant characteristics?

A
  • Smell lemon or citronella when crushed
  • Workers yellow or reddish yellow
  • Swarmers darker red
  • Workers feed on honeydew from aphids
  • Nest under stones, patio blocks, along foundations
  • Not indoors
  • Swarm in Mar or Apr

REF: Ch 2 Pg 10

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15
Q

Thief or Grease Ant characteristics?

A
  • Smallest ant found indoors
  • Nest outdoors
  • Forage mid to late summer
  • Eat grease, meat, cheese, PB

REF: Ch 2 Pg 10

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16
Q

Pavement Ant characteristics?

A
  • Reddish brown to black
  • Pair of spines on thorax
  • Eat greasy foods, pet food, sweets
  • Nests under driveways or sidewalks
  • Workers can be in kitchen
  • Indoor colonies under room built on slab
  • Swarm anytime

REF: Ch 2 Pg 10

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17
Q

Cornfield Ant characteristics?

Study These Flashcards
A
  • Common mound building ants in yard
  • Red to dark brown
  • Eat sweets and honeydew from other insects
  • Swarm on sunny, late afternoons Aug-Sept.

REF: Ch 2 Pg 10

18
Q

Pharaoh Ant characteristics?

Study These Flashcards
A
  • Indoor ant
  • Hospitals, nursing homes, apartments
  • Yellow to red color
  • 3 segments to antennal club
  • Eat soap, toothpaste, fats, grease, sweets, dead insects
  • Multiple queen and don’t swarm

REF: Ch 2 Pg 10

19
Q

Ants that bait is effective on?

Study These Flashcards
A
  • Pharaoh ants
  • Ants where nest is hard to find (thief ants)
  • Useful on sensitive accounts

REF: Ch 2 Pg 10

20
Q

Ants that bait not effective on?

Study These Flashcards
A

-Winged ants (use residual insecticide)

Apendix G Pg 185

21
Q

How to treat outdoor ant nests?

Study These Flashcards
A
  • With liquids use enough water to flush down nest
  • Granular spot treatment, perimeter, broadcast
  • Treat nest is most effective

REF: Ch 2 Pg 11

22
Q

How to treat indoor nests?

Study These Flashcards
A
  • If Carpenter ant, must get insecticide into nest
  • Drill small holes, 1/8” for access
  • Use dusts when treating voids
  • Use liquid or aerosol if nest exposed

REF: Ch 2 Pg 11

23
Q

How to treat Carpenter ants indoors?

Study These Flashcards
A
  • Find nests to apply insecticide
  • Come indoor spring and summer
  • Ants seen around garbage can, dishwasher
  • Use perimeter treatment around windows and doorways 2-3’ perimeter
  • Treat every 6 weeks

REF: Ch 2 Pg 11

24
Q

How to treat Carpenter ants outdoors?

Study These Flashcards
A

-Find nest to apply insecticide
-Check wooden
porch footings, landscape timbers, and old stumps
for the main colony

REF: Ch 2 Pg 11

25
Signs of indoor Carpenter ant nest?
- See carpenter ants inside from Nov-Mar - Winged ants inside - Coarse sawdust (called frass) falling from ceilings, cabinets, other wood sources - See 15-20 workers daily REF: Ch 2 Pg 11
26
Name two types of fleas in WI?
- Cat flea - Sticktight flea REF: Ch 2 Pg 12 Appendix G Pg 185
27
Cat flea hosts?
-Dog, cat, raccoons, skunks, squirrels REF: Ch 2 Pg 12 Appendix G Pg 185
28
Characteristics of fleas?
-Adult fleas feed on blood -Wingless -Brown -Flattened side to side -Eggs glossy white -Complete metamorphosis -Lives 12-140 days -Spend life on host -Lays several hundred eggs in lifetime - REF: Ch 2 Pg 12 Appendix G Pg 186
29
Find fleas if people don't have pests?
-Raccoons or other wild animals in chimney, attics, crawl spaces REF: Ch 2 Pg 12
30
Where to concentrate flea control efforts in the animal’s environment?
-Where the pet sleeps, rests, or spends a large amount of time -Locate and treat flea breeding sites -For cats look in secluded places for breeding sites -Larvae live in carpeting, furniture, animal bedding, and other protected areas with high humidity -Humidity below 50% will kill eggs and larvae REF: Ch 2 Pg 12 Appendix G Pg 186
31
Advantage of IGR for fleas?
-Use in conjunction with contact insecticides -IGRs prevent flea larvae from developing to the adult stage -May also inhibit egg hatch -When used alone will take 2 to 4 weeks to reduce population -4- to 6-month residual action -No resistance -Very low human and animal toxicity REF: Ch 2 Pg 13
32
Describe the limitations of aerosols, flea “bombs,” ultrasonic devices, and flea traps?
- Will not penetrate furniture and other items - Can cause explosions - Ultrasonic not effective - Lights leave some alive and wont control infestations REF: Ch 2 Pg 13
33
Key to effective control of flies and food pests?
- Find and eliminate food source - Aerosol knock-down insecticide only temporary, repeat treatment every 3-5 days REF: Ch 2 Pg 14
34
Fly characteristics?
- 1 pair of wings - Complete metamorphosis - Larva called maggot - Pupa brown, cylindrical - Adults sucking mouth REF: Ch 2 Pg 14
35
Options for controlling powderpost beetle infestations?
- Surface treat infested wood with insecticide - Spray or paint borates onto exposed surfaces REF: Ch 2 Pg 15
36
What can make perimeter treatments for occasional invaders especially effective?
``` -Aimed at preventing the arthropods from getting into a building -If inside, vacuuming is best -Insecticides -Treat cracks ``` REF: Ch 2 Pg 16
37
What can make perimeter treatments for occasional invaders fail?
- Large number of insects - Kill 80%-95% is unsuccessful - Also occur when treatment applied after too many insects in wall voids REF: Ch 2 Pg 16 Appendix G Pg 193
38
Example of occasional invaders?
``` -Multicolored Asian lady beetles -Crickets -Boxelder bugs -Strawberry root weevils -Millipedes -Earwigs ``` REF: Ch 2 Pg 16
39
Characteristics of Bed Bugs?
-Flat -Oval -Darkish reddish brown -Blood feeders - 4 species in WI (human bed bug, eastern bat bug, two species associated with chimney swifts and swallows) -Hide during the day -Feed at night on exposed skin -Reddish brown fecal spots REF: Ch 2 Pg 16
40
Describe life cycle of bed bugs?
- Simple metamorphosis - Egg, nymph, adult REF Ch 2 Pg 3 Fig 2
41
Describe some control methods for bed bugs?
- Heat and cold - Vacuum, dust, launder and dry bedding on high REF Ch 2 Pg 17
42
What are limitations of chemical control on bed bugs?
-Few pesticides are registered for use -Some bedbug populations have become resistant to pyrethroids REF Ch 2 Pg 18

Structual Pest Control- WI Commercial Category 7.1 (3 decks)

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