6.10

Question 1

What is the most widely distributed insect of importance to mankind?

Answer 1

House Fly

Question 2

Characteristics of a House Fly

Answer 2

1. Gray in color
2. Has 4 equally broad, dark longitudinal stripes
3. Has non-biting, sponging mouth parts.

Question 3

Disease importance of house flies

Answer 3

1. Vomit food, then lap it up
2. Good mechanical vector
3. walk on organic filth.
4. Can carry many disease organisms or cause myiasis

Question 4

Blow Fly Characteristics

Answer 4

1. blueish-green
2. metallic

Question 5

Disease importance of Blow Fly

Answer 5

Rarely a public health concern

also called surgical maggots

Question 6

Sand Fly characteristics

Answer 6

1. Bodies/wings are densely covered with hair
2. Only females have piercing mouthparts for sucking blood
3. bite at night

Question 7

Disease importance of Sand Fly

Answer 7

1. Bartonella (bacterial)
2. Sand fly fever or pappataci fever (viral)
3. Protozoal (Leishmaniasis).

Question 8

TSE TSE Fly

Answer 8

1. Fold their wings scissor-like
2. both sexes are blood suckers

Question 9

Disease importance of TSE TSE fly

Answer 9

Capable of transmitting trypanosomiasis

Question 10

Black Fly Characteristics

Answer 10

Dark, stout, short broad wings

large size bite wound

Question 11

Disease importance of Black Fly

Answer 11

River blindness (Onchocerciasis)

Question 12

House or Deer Fly Characteristics

Answer 12

1. Robust powerful wings
2. 1 inch big
3. Exceedingly painful bites

Question 13

Disease importance of House or Deer Fly

Answer 13

1. anthrax
2. tularemia
3. Trypanosomes
4. Loa loa infections

Question 14

Which insect does not cause any significant disease?

Answer 14

Eye gnats

Question 15

House fly/Blow flies aboard ships may be best corrected by

Answer 15

1. removing garbage onboard
2. controlling any nearby breeding source ashore

Question 16

Sand flies are effectively controlled by

Answer 16

elimination of potential breeding sites near an infested area

Question 17

Black flies are effectively controlled by

Answer 17

Larvicides to the streams

Question 18

Control of what pests is difficult and frequently ineffective?

Answer 18

Horse or Deer Fly

Question 19

What may be somewhat effective under some conditions at controlling Horse or Deer Flies?

Answer 19

applications of insecticides

Question 20

Aedes Aegypti Characteristics

Answer 20

1. silver-white lines on the thorax
2. White bands on the tarsal segments

Question 21

How do Aedes Aegypti lay eggs

Answer 21

Laid singly on the side of containers at or above the waterline

Question 22

What mosquito prefers the blood of man to any other animal?

Answer 22

Aedes Aegypti

Question 23

Disease transmission of Aedes Aegypti

Answer 23

1. Dengue fever
2. Yellow fever
3. Tularemia
4. Filarial nematodes

Question 24

Anopheles Species Characteristics

Answer 24

wings that are spotted

land with butt at 40 or 90*

Question 25

Anopheles lay eggs

Answer 25

Laid singly on the water by lateral floats

Question 26

Which mosquito is found mainly in bodies of fresh water?

Answer 26

Anopheles

Question 27

Disease transmission of Anopheles

Answer 27

Malaria

Question 28

What kind of region are the Culex Species normally found in?

Answer 28

Tropical/Subtropical

Question 29

Culex like to breed in what kind of water?

Answer 29

Quiet sewage water

Question 30

Disease transmission of Culex

Answer 30

Encephalomyelitis

Question 31

Control methods for Mosquitoes

Answer 31

1. Drain standing water 2. Dispose of artificial containers 3. Treat water with larvicides

Question 32

Personal protective measures from mosquitoes

Answer 32

1. Window screen 2. Treated mosquito net 3. Insect repellants 4. Treated uniform 5. Chemoprophylaxis