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Ento 210 study guide

study guide for the second exam for entomology 210

TermDefinition
The ___ and ___ stage of the lifecycle of mosquitoes are purely aquatic. Larva, Pupa
True/False: Male mosquitoes can transmit pathogens. FALSE - male mosquitoes are not blood feeders. Only female mosquitoes are blood feeders and can therefore transmit pathogens.
True/False: Male mosquitoes have hairy antennae. TRUE
What are the two types of water that female mosquitoes lay their eggs in? Standing and Flooding
What are the characteristics of eggs in standing water? eggs are laid directly onto water and are susceptible to drying out
Stagnant, consistent, big or small bodies of shallow water are characteristics of what water? Standing Water
What are the characteristics of eggs laid in flood water? eggs are laid on dry surfaces, are not susceptible to drying out and only hatch when covered in water
Fluctuating water levels are present in what type of water? Flood Water
True/False: Eggs that hatch in installment hatching are usually in flood water. TRUE
Why is installment hatching useful for eggs in flood water? Installment hatching helps prevent fighting for resources. Only a few hatch at a time so as to ensure that each larva has enough resources for survival.
What is the Order that mosquitoes are in? Diptera
What is the Sub-Order of mosquitoes? Nematocera
What is the family that mosquitoes belong to? Culicidae
What are the three sub-families of Culicidae? Toxorhynchitinae, Anophelinae and Culicinae
Why is the sub-family of Toxorhynchitinae unique? They do not blood feed!
What is the genus of the sub-family Toxorhunchitinae? Toxorhynchites
Why is the larva of Toxorhynchites unique? aka the "elephant larva", eat other mosquito larva to get their protein that is later stored in their adult life.
Characteristics of the Toxorhynchites include: blue body and a 90* degree bend in their proboscis .
True/False: Mosquitoes in the Toxorhynchite sub-family can transmit pathogens. FALSE - since neither female OR male mosquitoes are not blood feeders, they cannot transmit pathogens.
What are the three genera of the sub family Anophelinae? Anopheles, Chagasi, Bironella
What is the major disease of the pathogen that Anophelinae mosquitoes transmit? Malaria
True/False: The genus Anopheles are day feeders. FALSE - Anopheles mosquitoes are nocturnal.
What are the breeding characteristics of Anopheles mosquitoes? They are standing water breeders and lay between 50-200 eggs/batch.
What are the identifying characteristics of Anopheles mosquites? Dark/pale wing scales, 45* degree angle when feeding, eggs have a flotation device, and larva rest horizontal to surface.
What are the two genera for the sub-family Culicinae? Aedes, Culex
Why are mosquitoes in the Culicinae sub-family nuisances? They are major pathogen vectors
What are the identifying characteristics for the sub-family Culicinae? Downwards angle when feeding and larva are perpendicular to the surface.
In the genus Aedes, what are the three species? Aegypti, Albopictus and Communis
Aegypti and Albopictus are identifiable by what characteristics? black/white coloring
What type of water breeders are Aegypti and Albopictus? Flood water breeders
What is the nickname of Aegypti and Albopictus? Asian Tiger Mosquito
For the Communis species, what is their nickname? Snow Pool Mosquito
What are the characteristics of the species communis? exist in high numbers and lives in the artic
What are the characteristics of the Culex genus? Eggs float in rafts, mainly feed from birds/mammals, standing water breeders, and colorless body
What is the virus that the genus Culex is the primary vector of? West Nile
True/False: The sub-family Cuicinae is identifiable by an upwards angle when feeding. FALSE - Culicinae feed in a downwards angle.
True/False: Main vectors are present in the sub-family Toxorhynchitinae FALSE - Toxorhunchitinae are not pathogen vectors.
True/False: Both Anophelinae and Culicinae are pathogen vectors. TRUE
Gambusia affinis is also known as the... mosquito fish
Created by: ovestal
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