Cockroaches Flashcards

(30 cards)

1
Q

how long have cockroaches been around

A

400 million years

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2
Q

origin of cockroaches

A

tropical/subtropical regions

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3
Q

Although they are not social insects, cockroaches…

A

are gregarious or commonly occur in groups

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4
Q

cockroaches will feed on practically anything with…

A

nutritive value

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5
Q

Appearance:
Two black “racing” stripes behind head
1/2 to 5/8 inches long

A

German cockroach

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6
Q

Importance:
The predominant pest cockroach species in the U.S. (and the world)
Found in kitchens and bathrooms of homes and apartments, restaurants, supermarkets, and hospitals
Have wings but do not fly

A

German cockroach

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7
Q

Appearance:
Dark brown in color with two pale bands on the wings
1/2 inch long

A

Brownbanded cockroach

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8
Q

Importance:
Indoor pests, likes bedrooms, furniture, cabinets, pantries, and closets.
Prefers warm (> 80F) and dry places

A

Brownbanded cockroach

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9
Q

Appearance:
Reddish-brown with pale brown to yellowish band around the edge of the pronotum
1.5 to 2 inches long

A

American cockroach

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10
Q

Importance:
Normally live outdoors in warm, damp areas like flowerbeds and under mulch
Inside locations where food is prepared
Both adult males and females can fly

A

American cockroach

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11
Q

Appearance:
Dark reddish brown to shiny black and has no distinctive markings
1 inch long

A

Oriental cockroach

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12
Q

Importance:
Primarily outdoor pest, feeding on garbage or decaying material or near drains or sinks
Prefer temperatures < 84 F

A

Oriental cockroach

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13
Q

cockroaches undergo which life cycle

A

gradual metamorphosis:
egg, nymph, adult

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14
Q

Cockroach eggs are deposited in groups in a leathery case or capsule called an
cockroach egg case

A

ootheca

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15
Q

The newly hatched nymphs have no ____ and they shed their ____ (molt) several times before becoming adults

A

wings
exoskeletons

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16
Q

Cockroaches are driven by

A

the need for water, food and shelter

17
Q

are cockroaches diurnal or nocturnal

18
Q

(T/F) cockroaches are omnivorous

19
Q

(T/F) cockroaches are cannibalistic and coprophagy (eat feces)

20
Q

Cockroaches are constantly exposed to pathogens, which are picked up by their body hairs and on their feet
As they forage for food, they subsequently cross-contaminate items they walk across

A

Mechanical Disease Vector

21
Q

This is the most important medical effect of cockroaches on humans

A

Allergen Production

22
Q

not posing a “traditional health threat” from biting or stinging

23
Q

Too many can cause a significant decrease in the ____ of troops

24
Q

is the IRRATIONAL fear of insects and what they are capable of doing

25
Surveillance of cockroaches
A. Determine need for control B. Qualitative Surveillance C. Quantitative Surveillance
26
I. Unstructured and subjective approach II. Physical inspection for cockroaches or evidence of infestation.
Qualitative Surveillance
27
I. Practical and effective II. Involves sticky traps for surveying species prior to implementing chemical control measures.
Quantitative Surveillance
28
I. Best long-term control method is Sanitation - do not feed them. II. The single most important intervention is to eliminate water sources. III. Harborage elimination - do not allow them a place to hide.
Cultural control
29
exclusion by using screens or foam to fill cracks and crevices
Mechanical control
30
Should be used as a last resort May include baits, dusts, and Insect Growth Regulators (IGRs).
Chemical control