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173 Lec - Module 9 Trans > Entom Lecture 3 > Flashcards

Entom Lecture 3 Flashcards

1
Q

Biological DT of Mosquitoes:

A
  • Propagative
  • Cyclopropagative
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2
Q

Mechanical DT of Mosquitoes

A
  • Ecdysis
  • Ecdysone
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3
Q

Types of Metamorphosis

A
  • Ametabola
  • Hemimetabola
  • Holometabola
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4
Q

Types of Myasis

A
  • accidental
  • obligatory
  • facultative
  • cutaneous
  • urogenital
  • ophthalmic
  • nasopharyngeal
  • intestinal
  • creeping
  • furuncular
  • traumatic
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5
Q

Taxonomic classifications of important pest and vector species of Mosquitoes:

A

S
H
A
A
M
P

Genera:
- Culex
- Aedes
- Anopheles
- Psorophora
- Mansonia
- Haemagogus
- Sabethes

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6
Q

Mosquitos have _____ symmetrical body, subdivided into _______.

A

bilaterally, segments

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7
Q

Mosquitos’ bodies are covered with exoskeleton which is made up of a tough and rigid substance known as ______

A

Chitin

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8
Q

Jointed appendages are present on some body segments of mosquitos?
T or F

A

T

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9
Q

Mosquitos’ Biology include: Body cavity between the ______ and the body wall.

A

alimentary canal

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10
Q

Mosquitos have open circulatory system that works by diffusion unlike the arteries and veins in higher animals like humans.
T or F

A

T

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11
Q

Do mosquitos have ventral ladder type digestive system?
T or F

A

F - ventral ladder type nervous system.

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12
Q

Mosquitos have ventral ladder type nervous system. These are called _____ and are situated at different places in the body of the arthropod with a ladder type linkage.

A

ganglia

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13
Q

In mosquitos, Messages passes from one ganglia to the other and finally to the big ganglia at the (abdomen or head) through the nerves.

A

head

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14
Q

In mosquitos, Growth by molting, which is controlled by (hormones or ganglia)

A

hormones

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15
Q

Genera of mosquitos that are responsible for transmitting malaria

A

Anopheles species

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16
Q

What are the vectors of filariasis:

A

W
A
B
B

  • Wuchereria bancrofti
  • Brugia malayi
  • Brugia timori
  • arboviruses
17
Q

Genera that transmit Wuchereria bancrofti and arboviruses

A

Culex species

18
Q

Species that are vectors of yellow fever, dengue, West Nile virus and other arboviruses, Wuchereria bancrofti and Brugia malayi

A

Aedes species

19
Q

species that transmit Brugia malayi,_ Wuchereria bancrofti and a few arboviruses

A

Mansonia species

20
Q

2 vectors of yellow fever and a few other arboviruses in Central
and South America

A

Haemagogus and Sabethes mosquitoes

21
Q

Genus that transmit arboviruses and as troublesome biters in North and South America.

A

genus Psorophora

22
Q

Mosquitos are slender and relatively small insects measuring about ___ mm in length

A

3-6 mm

23
Q

2 mm while others may be as long as ___

A

19 mm

24
Q

Mosquitos’ bodies
are distinctly divided into a head, thorax and abdomen. T or F

A

T

25
Q

Mosquitoes have (one or two) pair of functional wings (the fore-wings) and (hindwings) a pair of small knob-like halteres.

A

one pair

26
Q

Mosquitos have the possession of a conspicuous forward-projecting _____

A

proboscis

27
Q

Mosquitos have the presence of numerous appressed scales on the thorax, legs, abdomen and (wing veins) ?
T or F

A

T

28
Q

Mosquitos have a fringe of scales along the (anterior or posterior) margin of the wings.

A

posterior

29
Q

feathery antennae are males or femles (mosquitoes)

A

Male

30
Q

short and rather inconspicuous antennal hairs are females

A

females

31
Q

Mosquitos have Saliva that contains _____ that produce haematomas in the skin and facilitate the uptake
of blood.

A

antihaemostatic enzymes

32
Q

Mosquitos have Saliva that also contains ____ to prevent blood from clotting and obstructing the
mouthparts as it is sucked up, and _____substances that help reduce the pain inflicted by the mosquito’s bite, so reducing the host’s defensive reactions.

A

anticoagulants, anesthetic substances

33
Q

Although male mosquitoes have a proboscis, the maxillae and mandibles are usually reduced in size or
the mandibles are absent, and consequently males cannot bite

T or F

A

T

34
Q

Autogenous Development

A

Gonodostrophic cycle

35
Q

Oviposition and biology of eggs of Culex

A

30 - 300 eggs in one oviposition in eggraft

173 Lec - Module 9 Trans (3 decks)

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