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

Chapter 2- Managing Insect Pests Flashcards

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?

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?

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?

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?

A

-Winged ants (use residual insecticide)

Apendix G Pg 185

21
Q

How to treat outdoor ant nests?

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?

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?

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?

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
Q

Signs of indoor Carpenter ant nest?

A
  • 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
Q

Name two types of fleas in WI?

A
  • Cat flea
  • Sticktight flea

REF: Ch 2 Pg 12
Appendix G Pg 185

27
Q

Cat flea hosts?

A

-Dog, cat, raccoons, skunks, squirrels

REF: Ch 2 Pg 12
Appendix G Pg 185

28
Q

Characteristics of fleas?

A

-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
Q

Find fleas if people don’t have pests?

A

-Raccoons or other wild animals in chimney, attics, crawl spaces

REF: Ch 2 Pg 12

30
Q

Where to concentrate flea control efforts in the animal’s environment?

A

-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
Q

Advantage of IGR for fleas?

A

-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
Q

Describe the limitations of aerosols, flea “bombs,” ultrasonic devices, and flea traps?

A
  • 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
Q

Key to effective control of flies and food pests?

A
  • Find and eliminate food source
  • Aerosol knock-down insecticide only temporary, repeat treatment every 3-5 days

REF: Ch 2 Pg 14

34
Q

Fly characteristics?

A
  • 1 pair of wings
  • Complete metamorphosis
  • Larva called maggot
  • Pupa brown, cylindrical
  • Adults sucking mouth

REF: Ch 2 Pg 14

35
Q

Options for controlling powderpost beetle infestations?

A
  • Surface treat infested wood with insecticide
  • Spray or paint borates onto exposed surfaces

REF: Ch 2 Pg 15

36
Q

What can make perimeter treatments for occasional invaders especially effective?

A 
-Aimed at preventing the arthropods from getting
into a building
-If inside, vacuuming is best
-Insecticides
-Treat cracks

REF: Ch 2 Pg 16

37
Q

What can make perimeter treatments for occasional invaders fail?

A
  • 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
Q

Example of occasional invaders?

A 
-Multicolored Asian
lady beetles
-Crickets
-Boxelder bugs
-Strawberry root weevils
-Millipedes
-Earwigs

REF: Ch 2 Pg 16

39
Q

Characteristics of Bed Bugs?

A

-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
Q

Describe life cycle of bed bugs?

A
  • Simple metamorphosis
  • Egg, nymph, adult

REF Ch 2 Pg 3 Fig 2

41
Q

Describe some control methods for bed bugs?

A
  • Heat and cold
  • Vacuum, dust, launder and dry bedding on high

REF Ch 2 Pg 17

42
Q

What are limitations of chemical control on bed bugs?

A

-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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