Prev Med 6.10

Question 1

Characteristics of the House fly

Answer 1

-most widely distributed insect of important to mankind
- Gray in color and thorax
-4 equally broad, dark longitudinal stripes
-Nonbiting spongy mouth parts
-

Question 2

diseases from the house fly

Answer 2

good Mechanical vector
walks in trash
vomits on food to eat it up

Question 3

Characteristic of the blow fly

Answer 3

blue bottle or green bottle fly

large metallic shining blue/green abdomen

Question 4

Disease concern of the blow fly

Answer 4

rarely public health concern (surgical maggots) may cause Myiasis

Question 5

Sand Fly characteristics

Answer 5

only females bite with piercing mouth parts

invade dwellings to bit man at night

Question 6

Disease from sand fly

Answer 6

Bacterial (Bartonella)
Viral (Sand Fly/Pappataci fever)
Protozoal (leishmaniasis)

Question 7

Characteristics of the TSE fly

Answer 7

scissors like fold of their wings while resting
both sexes bite
prominent biting mouthparts

Question 8

disease of the TSE fly

Answer 8

trypanosomiasis

Question 9

Characteristic of the Black fly

Answer 9

dark in color (black)

feeds on man and domestic/wild animals leaving large bite wound

Question 10

diseases of the black fly

Answer 10

onchocerciasis, River Blindness

Question 11

Characteristics of the Horse or Deer fly

Answer 11

large insects with exceedingly painful bites

Question 12

disease of the horse/ Deer fly

Answer 12

Bacterial(anthrax)
Protozoan(Trypanosomes)
Helminthic (lola infections)
African eye worms

Question 13

Characteristics of the eye Eye gnat

Answer 13

very small
attracted to wounds, puss and sebaceous secretions
swarm the face and stuff

Question 14

disease from eye gnats

Answer 14

no significant disease occurrence/ mostly troublesome

Question 15

How to control house and blow fly

Answer 15

remove garbage or by controlling nearby breeding sources
Screens
Fans
Flypapers
baited traps

Question 16

Controls for sand fly

Answer 16

Elimination of nearby breeding sites near infested areas

residual sprays recommended for house fly’s and mosquitos are suitable to control

Question 17

Controls for TSE fly

Answer 17

difficult to control due to free living larval forms
Traps
Natural enemies
control of host game animals
entablement of fly barriers
aerosol space sprays to control adult population

Question 18

Controls for black flys

Answer 18

application of larvicides to streams where immature forms are developing
PPE should be used
but net and fabris

Question 19

Controls for horse flys

Answer 19

difficult and frequently ineffective

applications of insecticides similar to mosquito control may be effective

Question 20

control of eye gnats

Answer 20

efforts to control them through aerial or ground delivered sprays have been generally ineffective

Question 21

describe the aedes aegypti

Answer 21

spread through southern us and southern CA
Lyre shaped silver shite lines on thorax
White bands on tarsal segments
lays eggs on side of container at or above water line
prefers blood of man over other
bites ankles under sleeves and back of neck

Question 22

Diseases carried by Aedes Argypti

Answer 22

dengue fever
yellow fever
tularemia
filarial nematodes

Question 23

Describe the Anopheles mosquito

Answer 23

most have spotted wings
rest with body in straight line at 45or 90-degree angles
laid singly in water supported by lateral floats
Found in alot of water but most fresh
active at night and need blood before egg production

Question 24

diseases carried by the anopheles

Answer 24

Malaria

Question 25

Describe the Culex species

Answer 25

mostly in tropic and subtropic regions
prefers quiet water/ with organic materials
eggs in rafts of 100 or more
mostly bites at night

Question 26

disease of the culex species

Answer 26

Encephalomyelitis

Question 27

Control methods for mosquitos

Answer 27

control methods are either permanent or temporary depending on how they target the breeding are or present populations
drain water
dispose of artificial containers
treat water with larvicides
window screens, mosquito nets, insect repellent, treated uniforms, chemoprophylaxis