SURVEILLANCE AND CONTROL
QUESTIONS AND 100% CORRECT
VERIFIED ANSWERS /GRADE A
b Every 100 hours - How often should the droplet size of a ULV machine be verified?
isopropyl alcohol - The insecticidal distribution system of the ULV machine should be flushed with
approximately one pint of _________________ following each time the unit is used.
IGR's - __________ mimic an essential hormone present in high concentration in early instar larvae, but
in very low concentration in late 4th instar larvae.
pupal - IGR's upset the physiological molting process and kills mosquitoes in the subsequent __________
stage.
10-25 - The typical targeted size range for ground ULV applications is _________ microns.
Toxorhynchites - The larvae of ___________________ are actually predaceous and often reduce pest
species trying to develop in their habitats.
can not - Both male and female adult Toxorhynchites feed on flowers for nectar and (can/can not) bite
humans.
Organophosphates - Insecticides which act on the nervous tissue to prevent the breakdown of a
substance called acetylcholine, which is responsible for nerve conduction.
True - T or F. There is no basis for the often-claimed suppression of mosquito biting activity by bats or
purple martins.
, squirrels, chipmunks, field mice and rabbits - The natural transmission cycle of LAC virus involves small
mammals as the primary vertebrate hosts. List the four small mammal hosts?
63 - At the current time, how many known species of mosquitoes are there in Georgia?
3,000 - Worldwide there are over _________ known mosquito species.
174 - How many known mosquito species are there in the United States?
larvae or female adults - At what stages are mosquitoes usually collected for identification?
Culicidae - Mosquitoes belong to the family of _____________ within the insect order Diptera.
do not - While male mosquitoes have an elongated proboscis, they (do/do not) feed on blood.
blood - Like males, female mosquitoes also feed on nectar and other sugars for flight energy, but she
usually requires a _________ meal prior to laying eggs.
True - T or F. Since most adult mosquito keys apply only to females, the sex of the mosquito must be
determined prior to identification.
Male - (Male/Female) mosquitoes have bushy antennae and long palpi.
Female - (Male/Female) mosquitoes have few bristles on their antennae and, with the exception of
Anopheles mosquitoes, have short palpi.
Egg, larva, pupa, and adult - List the four distinct stages of mosquito development.