40 Questions
What is the characteristic feature of the exoskeleton of arthropods in the Class Insecta?
It is made of chitin
How many distinct regions does the body of an insect in the Class Insecta have?
3
What is the name of the order of insects that includes true flies?
Diptera
What is the purpose of the halteres in Diptera?
To aid in balance
What is the type of metamorphosis that occurs in Diptera?
Complete metamorphosis
Which of the following is an example of a Diptera that is a major malaria vector?
Anopheles gambiae
How many people worldwide remain threatened by lymphatic filariasis?
856 million
How many cases of malaria were estimated worldwide in 2021?
247 million
What is the characteristic of Aedes spp. when resting and feeding?
Body rests parallel to surface, head slightly bent downwards
Which species of Aedes is known as the Tiger mosquito or forest mosquito?
Aedes albopictus
What is the parasite that causes lymphatic filariasis (LF) in Pacific and Asia?
Wuchereria bancrofti
Which order of insects do Aedes spp. and Culex spp. belong to?
Order Diptera
What is the characteristic of Culex spp. when resting?
Body rests parallel to surface, hind legs curled up over back
What is the disease transmitted by Glossina (genus of tsetse fly)?
Human sleeping sickness
Which species of mosquito is a vector of lymphatic filariasis in the Americas?
Culex quinquefasciatus
What is the habitat of Glossina (genus of tsetse fly)?
Rural Africa
What is the most common strain of Babesia documented to cause disease in humans in the US?
Babesia microti
Which tick species is the most important parasite of livestock globally?
Rhipicephalus microplus
What is the name of the disease caused by Babesia bovis in cattle?
Cattle fever
What is the phylum of the protozoan parasite Babesia bovis?
Apicomplexa
What is the name of the tick species that transmits Babesia bovis and Anaplasma marginale?
Rhipicephalus microplus
What is the name of the disease caused by Anaplasma marginale?
Anaplasmosis
What is the characteristic feature of the tick species Amblyomma variegatum?
Pale rings on most segments of their legs
What are the two important diseases associated with the tick species Amblyomma variegatum?
Heartwater and Dermatophilosis
What disease is caused by the protozoa of the genus Leishmania?
Leishmaniasis
What is the primary function of the mouthparts of adult fleas?
Piercing skin and sucking blood
What is the genus of the sand fly that is a vector for leishmaniasis?
Phlebotomus
What is the characteristic of the body of fleas?
Laterally compressed
What is the purpose of the combs in fleas?
For species identification
What is the primary habitat of adult fleas?
On warm-blooded animals
What is the genus of the black fly that is a vector for river blindness?
Simulium
What is the significance of the genal and pronotal combs in cat and dog fleas?
For species identification
What is the primary purpose of a larva climbing onto low vegetation?
To search for a host
What happens to the eggs of the Rhipicephalus microplus tick?
They hatch in the environment
What is the typical lifespan of some ticks?
Up to 21 years
What is the typical behavior of a one-host tick?
It moults through all instars on one host
What is the advantage of using a series of hosts for ticks?
It increases opportunities for transmission of pathogens
What is the characteristic of the Boophilus decoloratus tick?
It produces around 2500 eggs
What is the characteristic of Argasids ticks?
They are many-host ticks
What is the purpose of the nymph moulting to an adult and attaching to another host?
To complete its development
This quiz covers the general characteristics of arthropods in the Class Insecta, including their structural features, roles in disease transmission, and adaptive features. Test your knowledge of insects in the phylum Arthropoda, subphylum Hexapoda, class Insecta.
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