Cockroaches

Question 1

how long have cockroaches been around

Answer 1

400 million years

Question 2

origin of cockroaches

Answer 2

tropical/subtropical regions

Question 3

Although they are not social insects, cockroaches…

Answer 3

are gregarious or commonly occur in groups

Question 4

cockroaches will feed on practically anything with…

Answer 4

nutritive value

Question 5

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

Answer 5

German cockroach

Question 6

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

Answer 6

German cockroach

Question 7

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

Answer 7

Brownbanded cockroach

Question 8

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

Answer 8

Brownbanded cockroach

Question 9

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

Answer 9

American cockroach

Question 10

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

Answer 10

American cockroach

Question 11

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

Answer 11

Oriental cockroach

Question 12

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

Answer 12

Oriental cockroach

Question 13

cockroaches undergo which life cycle

Answer 13

gradual metamorphosis:
egg, nymph, adult

Question 14

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

Answer 14

ootheca

Question 15

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

Answer 15

wings
exoskeletons

Question 16

Cockroaches are driven by

Answer 16

the need for water, food and shelter

Question 17

are cockroaches diurnal or nocturnal

Answer 17

nocturnal

Question 18

(T/F) cockroaches are omnivorous

Answer 18

True

Question 19

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

Answer 19

True

Question 20

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

Answer 20

Mechanical Disease Vector

Question 21

This is the most important medical effect of cockroaches on humans

Answer 21

Allergen Production

Question 22

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

Answer 22

nuisance

Question 23

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

Answer 23

morale

Question 24

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

Answer 24

entomophobia

Question 25

Surveillance of cockroaches

Answer 25

A. Determine need for control
B. Qualitative Surveillance
C. Quantitative Surveillance

Question 26

I. Unstructured and subjective approach
II. Physical inspection for cockroaches or evidence of infestation.

Answer 26

Qualitative Surveillance

Question 27

I. Practical and effective
II. Involves sticky traps for surveying species prior to implementing chemical control measures.

Answer 27

Quantitative Surveillance

Question 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.

Answer 28

Cultural control

Question 29

exclusion by using screens or foam to fill cracks and crevices

Answer 29

Mechanical control

Question 30

Should be used as a last resort
May include baits, dusts, and Insect Growth Regulators (IGRs).

Answer 30

Chemical control