Prevention of Flies and Mosquitoes

Question 1

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

Answer 1

House Fly

Question 2

House Fly disease importance

Answer 2

(a) Vomit on food, then lap it up.
(b) Good mechanical vector.
(c) Habitually walks on organic filth.
(d) Can carry many disease organisms or cause myiasis

Question 3

What fly is identifiable by their large metallic shining blue or green abdomens?
Also known as blue-bottle or green-bottle flies

Answer 3

Blow Fly

Question 4

Blow Fly Disease importance

Answer 4

Although rarely a public health concern, their larvae (called surgical maggots) may cause myiasis.

Question 5

Sand Fly transmittable diseases

Answer 5

1) Bacterial (Bartonella).
2) Viral (Sand fly or pappataci fever).
3) Protozoal (Leishmaniasis).

Question 6

What fly is Easily identified by the way they fold their wings when resting. (Scissor-like fashion)

Answer 6

TSE TSE Fly

Question 7

TSE TSE Fly Disease importance.

Answer 7

Capable of transmitting trypanosomiasis.

Question 8

Black Fly Disease transmission

Answer 8

) Capable of vectoring Onchocerciasis. River blindness.

Question 9

What Fly

• Dark in color. Stout body with short, broad wings
• Female species may feed on man as well as domestic and wild animals, leaving a large size bite wound.

Answer 9

Black Fly

Question 10

What Fly
Robust insects with powerful wings.
Their size can range from that of a house fly to nearly 25 mm (1 inch) in length.
Inflict exceedingly painful bites

Answer 10

Horse or Deer Fly

Question 10

What Fly
Robust insects with powerful wings.
Their size can range from that of a house fly to nearly 25 mm (1 inch) in length.
Inflict exceedingly painful bites

Answer 10

Horse or Deer Fly

Question 11

Horse or Deer Fly Disease transmission.

Answer 11

1) Bacterial (anthrax and tularemia).
2) Protozoan (trypanosomes)
3) Helminthic (Loa loa) infections. Loiasis or African eye worm

Question 12

Eye Gnats Disease transmission.

Answer 12

No significant disease occurrence. Mostly, troublesome for man

Question 13

What Fly

• Very small flies, given their name for their predilection for eye secretions.
• They are also attracted to wounds, pus, and sebaceous secretions.
• Annoying because of their persistent habit of swarming closely about the face.
• They are able to abrade wound edges and the conjunctival epithelium with their mouthparts equipped with upturned spines designed as effective cutting instruments.

Answer 13

Eye Gnats

Question 14

Control Methods for House Fly and Blow Fly

Answer 14

• The problem may be best corrected by removing or containing garbage onboard, or by controlling any nearby breeding source ashore.
• Screens, Fans, Fly paper, Baited traps

Question 15

Sand Fly Control Methods

Answer 15

(1) Sand flies have a very short flight range, so elimination of potential breeding sites near
an infested area will give relatively good control within a limited area.
(2) Application of residual sprays with the equipment and dosages recommended for house
flies and mosquitoes is suitable for the control of sand flies.

Question 16

Black Fly control methods

Answer 16

(1) Application of larvicides to the streams
where the immature forms are developing.
(2) Personal protective measures are considered essential.
(3) Use of protective netting and fabric

Question 17

Horse or Deer Fly Control Methods

Answer 17

(1) Control of these pests is difficult and frequently ineffective.
(2) Space applications of insecticides similar to those recommended for mosquito control may be effective under some conditions

Question 18

Because of diversity of habits among these flies and the practical absence of a freeliving larval form, they are difficult to control. What fly?

Answer 18

TSE-TSE Fly

Question 19

TSE-TSE Fly Control Methods

Answer 19

(a) Traps.
(b) Natural enemies (biological control).
(c) Control of host game animals.
(d) Establishment of fly barriers.
(e) Aerosol space sprays have also been used effectively for adult control.

Question 20

Efforts to effectively control these species by the use of aerial and ground delivered sprays and aerosols have generally been unsuccessful.

Answer 20

Eye Gnats

Question 21

Mosquito control methods are classified as being either ______or______ depending
upon whether they are designed to eliminate breeding areas or simply to kill the present
population.

Answer 21

permanent or temporary

Question 22

Control methods for Mosquitoes

Answer 22

(1) Drain standing water if possible.
(2) Dispose of artificial containers
(3) Treat water with larvicides

Question 23

Mosquitoes Personal protective measures.

Answer 23

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

Question 24

Aedes Aegypti Characteristics.

Answer 24

Small, dark species that can be recognized by:

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

Question 24

Aedes Aegypti Characteristics.

Answer 24

Small, dark species that can be recognized by:

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

Question 25

Aedes Aegypti Egg habits

Answer 25

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

Question 26

Aedes Aegypti Disease Transmission

Answer 26

(a) Dengue fever.
(b) Yellow fever.
(c) Tularemia.
(d) Filarial nematode

Question 27

What mosquito? Have wings that are spotted
-They rest with their head, thorax, and abdomen all in a straight line, held at 40 or 90 degrees to the surface on which they are sitting.

Answer 27

Anopheles

Question 28

Anopheles Disease transmission.

Answer 28

Malaria

Question 29

Anopheles Egg laying habits

Answer 29

Laid singly on the water surface and supported by lateral floats.

Question 30

What Mosquito?

• Most occur in the tropical and subtropical regions of the world.
• Breeds in quiet water of almost all types.
• Eggs are deposited in rafts of 100 or more
• Transmits Encephalomyelitis.

Answer 30

Culex Species