CATEGORY B: MOSQUITO BIOLOGY AND CONTROL
QUESTIONS | TESTED AND PROVEN ANSWERS |
LATEST UPDATE 2024/2025 100% (GRADE A+)
What is the classification of mosquitoes?
Ans>>
Class: Insecta
Order: Diptera
Suborder: Nematocera
Family: -dae
Subfamily: -nae
What are the life stages of mosquitoes?
Ans>>
1. Eggs (single egg, single egg with floats, rafts)
2. Larval stage (4 instar)
3. Pupa (non feeding, breathing trumpets)
1
,4. Adult
What types of eggs are laid by Aedes and Psorophora?
Ans>> Single eggs that are desiccation resistant
What types of eggs are laid by Anopheles?
Ans>> Single eggs with floats that are desiccation susceptible
What types of eggs are laid by Culex and Culiseta?
Ans>> Egg rafts that are desiccation susceptible
What are the characteristics of Anopheles larva?
Ans>> No siphon, horizontal to water surface
What are the characteristics of Aedes and Psorophora larva?
Ans>> Short siphon, hang vertically
2
, What are the characteristics of Culex and Culiseta larva?
Ans>> Long siphon, hang diagonally
What are the characteristics of adult Anopheles?
Ans>> Palpi as long as proboscis
What are the characteristics of adult Aedes and Psorophora?
Ans>> Palpi shorter than proboscis and pointed abdomen
What are the characteristics of adult Culex and Culiseta?
Ans>> Palpi shorter than proboscis and rounded abdomen
Where are An. freeborni habitats?
Ans>> Rice fields and the largest populations are found in Sac Valley
3
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