Flies, bugs and the diseases they transmit

Question 1

Blackflies: 3 facts about morphology

Answer 1

small, stout bodies with clear wings

Question 2

Blackflies: when are they active?

Answer 2

they are DIURNAL

Question 3

Blackflies: diff between males and females?

Answer 3

holoptic eyes in males dichoptic eyes in females

Question 4

Blackflies: where in the world and factoid about eating

Answer 4

worldwide and many ornithophilic but biting nuisance in river areas

Question 5

Blackflies: where do they breed?

Answer 5

fast flowing rivers/streams

Question 6

Blackflies: eggs?

Answer 6

gelatinous mass on stones or vegetation adjacent to stream and hatch withing 1-4 days

Question 7

Blackflies: what are they the vector of?

Answer 7

onchocerciasis

Question 8

Blackflies: how do they feed?

Answer 8

biting the skin and POOL FEEDING so bites bleed afterwards

Question 9

Blackflies: flight behaviour?

Answer 9

fly vast distances with wing up to 400km

Question 10

Horse flies: morphology?

Answer 10

large flies, large wing span.

Question 11

Horse flies: distribution?

Answer 11

worldwide, lots of species.

Question 12

Horse flies: three important species and their areas of concern

Answer 12

tabarnus - hot places
haematopota - not SA/Australasia
chrysops - hot places

Question 13

Horse flies: m/f?

Answer 13

dichoptic females

Question 14

Horse flies: diff between species?

Answer 14

haematopota: speckled wings
tabanus: black/brown/green thorax
chrysops: banded wings

Question 15

Horse flies: eggs?

Answer 15

iin a lump on vegetation overhanging shallow pools of ground water

Question 16

Horse flies: larval period?

Answer 16

1-3 years

Question 17

Horse flies: feeding behaviour?

Answer 17

only females bite, strong fliers - several miles in search of hosts. OUTSIDE houses and painful bite. nuisance bc of lost cow blood

Question 18

Horse flies: parasite?

Answer 18

eye worm filariasis -loa loa.

Question 19

Horse flies: mechanical vector?

Answer 19

interrupted feedings due to painful bite means mechanical vector - anthrax, lyme disease

Question 20

Sandflies: morphology?

Answer 20

hump backed, hairy, erect wings, delicate legs and hopping flight

Question 21

Sandflies: two important species?

Answer 21

lutzomyia and phlebotomus

Question 22

Sandflies: parasite?

Answer 22

LEISHMANIAASIIIISSS

Question 23

Sandflies: life cycle?

Answer 23

eggs laid in crevices, larvae likes organic soil

Question 24

Sandflies: feeding behaviour?

Answer 24

blood pool, nocturnal, mating occurs on host :/

Question 25

Sandflies: male/female?

Answer 25

abdominal features different

Question 26

Tsetse flies: classification?

Answer 26

single family, glossinidae

Question 27

Tsetse flies: morphology

Answer 27

range in size, yellow brown black, rigid forward proboscis, scissor like wings extend past abdomen

Question 28

Tsetse flies: parasite?

Answer 28

trypanosoma brucei

Question 29

Tsetse flies: biting?

Answer 29

both sexes bloodfeed!

Question 30

Tsetse flies: flight?

Answer 30

limited

Question 31

Tsetse flies: active?

Answer 31

dusk and dawn

Question 32

Tsetse flies: where?

Answer 32

sub saharan africa

Question 33

Tsetse flies: vaccine?

Answer 33

only mate once, so sterile male technique

Question 34

Chagas disease?

Answer 34

triatosome bug

Question 35

triatosome bug?

Answer 35

chagas disease