Cat 41 - Mosquito Biology, Surveillance and Control Exam Questions and Answers 100% Correct

Cat 41 - Mosquito Biology, Surveillance and Control Exam Questions and Answers 100% Correct Every 100 hours - Correct Answer ️️ -How often should the droplet size of a ULV machine be verified? isopropyl alcohol - Correct Answer ️️ -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 - Correct Answer ️️ -__________ mimic an essential hormone present in high concentration in early instar larvae, but in very low concentration in late 4th instar larvae. pupal - Correct Answer ️️ -IGR's upset the physiological molting process and kills mosquitoes in the subsequent __________ stage. 10-25 - Correct Answer ️️ -The typical targeted size range for ground ULV applications is _________ microns. Toxorhynchites - Correct Answer ️️ -The larvae of ___________________ are actually predaceous and often reduce pest species trying to develop in their habitats. can not - Correct Answer ️️ -Both male and female adult Toxorhynchites feed on flowers for nectar and (can/can not) bite humans. Organophosphates - Correct Answer ️️ -Insecticides which act on the nervous tissue to prevent the breakdown of a substance called acetylcholine, which is responsible for nerve conduction. True - Correct Answer ️️ -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 - Correct Answer ️️ -The natural transmission cycle of LAC virus involves small mammals as the primary vertebrate hosts. List the four small mammal hosts? 63 - Correct Answer ️️ -At the current time, how many known species of mosquitoes are there in Georgia? 3,000 - Correct Answer ️️ -Worldwide there are over _________ known mosquito species. 174 - Correct Answer ️️ -How many known mosquito species are there in the United States? larvae or female adults - Correct Answer ️️ -At what stages are mosquitoes usually collected for identification? Culicidae - Correct Answer ️️ -Mosquitoes belong to the family of _____________ within the insect order Diptera. do not - Correct Answer ️️ -While male mosquitoes have an elongated proboscis, they (do/do not) feed on blood. blood - Correct Answer ️️ -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 - Correct Answer ️️ -T or F. Since most adult mosquito keys apply only to females, the sex of the mosquito must be determined prior to identification. Male - Correct Answer ️️ -(Male/Female) mosquitoes have bushy antennae and long palpi. Female - Correct Answer ️️ -(Male/Female) mosquitoes have few bristles on their antennae and, with the exception of Anopheles mosquitoes, have short palpi. Egg, larva, pupa, and adult - Correct Answer ️️ -List the four distinct stages of mosquito development. Toxorhynchitinae, Anophelinae, or Culicinae - Correct Answer ️️ -Mosquito species in Georgia fall into one of three subfamilies: Toxorhynchites - Correct Answer ️️ -The larvae of _____________________ are found in tree-holes or artificial containers. They are very large and predacious, feeding on other mosquito larvae and small organisms that occur in their larval habitat. Toxorhynchitinae - Correct Answer ️️ -_____________________ females do not take blood as adult mosquitoes, feeding only on plant nectar and juices. Anopheline - Correct Answer ️️ -_______________ larvae are characterized by the absence of a siphon, and the presence of a palmate hair dorsally on each side of, at least, segments IV-VI of the abdomen. Anopheline - Correct Answer ️️ -_______________ larvae usually lie parallel to the surface of the water. Culicine - Correct Answer ️️ -_____________ larvae always have a siphon and they do not have palmate hairs. Culicine - Correct Answer ️️ -These larvae usually lie with head downward at a 45 degree angle to the water surface. Eggs deposited singly on the water's surface, eggs glued together to form rafts that float on the water surface, and eggs deposited singly out of the water. - Correct Answer ️️ - Egg-laying characteristics follow one of three patterns, which are: Anopheles and Toxorhynchites - Correct Answer ️️ -What two species deposit their eggs singly on the water surface and float until they hatch two or three days later? Toxorhynchites - Correct Answer ️️ -What species of eggs have