MOSQUITOES

Question 1

What is this mosquito?

Answer 1

Aedes mosquito - note the black and white stripes on its legs and also body.

Question 2

What is this mosquito?

Answer 2

Anopheles - note the 45 degree angle of its abdomen in air taking a blood meal!

Question 3

What is this mosquito?

Answer 3

Culex mosquito

Question 4

Name 4 virus diseases that the aedes mosquito cause?

Answer 4

Dengue, Yellow Fever, Zika and Chikungunya (also can cause lymphatic filariasis but this isn’t viral)

Question 5

Name a protozoan pathogen that anopheles mosquitoes are the vector for and what disease does it cause?

Answer 5

Plasmodium - Malaria

Question 6

name 2 viruses that culex mosquitoes are the vectors for?

Answer 6

West Nile fever and Japanese encephalitis

Question 7

what is the fourth larva instar?

Answer 7

when the larval mosquito metamorphoses into a pupa

Question 8

what stage of mosquito development and name the mosquito responsible?

Answer 8

Anopheles eggs

Question 9

what stage of mosquito development and name the mosquito responsible?

Answer 9

Aedes eggs

Question 10

what stage of mosquito development and name the mosquito responsible?

Answer 10

Culex eggs - “like rafts”

Question 11

what stage of mosquito development and name the mosquito responsible?

Answer 11

anopheles larval stage

Question 12

what stage of mosquito development and name the type of mosquito responsible?

Answer 12

culicine larval stage

Question 13

what type of larva is this looking at the base?

Answer 13

aedes (short syphon)

Question 14

what type of larva is this

Answer 14

anopheles -absent syphon

Question 15

what type of larva is this

Answer 15

culex - long syphon

Question 16

what type of mosquito does this posterior belong to and why

Answer 16

aedes

Question 17

what type of mosquito does this posterior belong to and why

Answer 17

culex

Question 18

name the larva species on the left and the one on the right?

Answer 18

culex on left and aedes on right

Question 19

how would you describe the anopheles pupae and its trumpet?

Answer 19

comma shaped, swims but does not feed. Trumpet is short but opening broad.

Question 20

how would you describe the culicine pupae trumpet?

Answer 20

long but opening is narrow.

Question 21

how would you describe the anopheles larvae lying on surface of water?

Answer 21

lie parallel to surface of water

Question 22

how would you describe the culicine larvae lying on surface of water?

Answer 22

lie at an angle to surface

Question 23

how would you describe both the anopheles female and male mosquito?

Answer 23

Question 24

how would you describe both the culicine female and male mosquito?

Answer 24

Question 25

how would you describe the resting position of anopheles Gambiae and also its wing appearance

Answer 25

Question 26

what mosquito is this and gender?

Answer 26

male anopheles (noted clubbed tips to palps and same length as proboscis)

Question 27

what mosquito is this and gender?

Answer 27

male culicine (noted tips not clubbed)

Question 28

what mosquito is this and gender?

Answer 28

female culicine - noted short palms

Question 29

what mosquito is this and gender?

Answer 29

female anopheles - palps as long as proboscis and has non feathery/non bushy antennae

Question 30

what species of larva is this a and where would you find them?

Answer 30

mansonia larva species - they breathe from air spaces in roots of aquatic plants. take oxygen from the roots rather than air.

Question 31

what species of mosquito is this?

Answer 31

Mansonia - note the appearance of strongly speckled legs and dark and pale scales on wings

Question 32

what mosquito is this and what makes it different from the rest?

Answer 32

Toxorhynchites mosquito - the largest genus but are not vectors of disease and NOT blood feeding. size makes it easier to identify from other mosquitoes. adapted to feed on nectar and fruits. But the larvae are carnivorous feeding on smaller species of mosquito larvae.

Question 33

what subspecies of anopheles are found in urban areas?

Answer 33

anopheles stephensi -adapted to breed in artificial containers. Found in Tropical Asia, Middle East and now the Horn of Africa.

Question 34

what is the most important vector of malaria - what subspecies and where mainly found?

Answer 34

anopheles Gambia - sub saharan africa.