Arthropods - T3 S1.5 Flashcards

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1
Q

Arthropods are primarily ___.

A

insects

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2
Q

animals with jointed legs and an exoskeleton

A

arthropods

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3
Q

4 main sub-phyla of arthropods

A

crustaceans,
myripoda,
arachnids,
insects

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4
Q

examples of crustaceans

A

lobsters, shrimp, crabs

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5
Q

examples of myripoda

A

centipedes, millipedes

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6
Q

examples of arachnids

A

scorpions, spiders, ticks

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7
Q

patriarch of the arthropods, a living fossil; obscurely segmented, 1 pair of legs each segment, antennae

A

onychophora

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8
Q

generally classified on basis of metamorphosis and mouthpart morphology

A

insect

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9
Q

egg, nymph, adult;
considered less advanced;
immatures and adults generally in same habitat

A

incomplete metamorphosis

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10
Q

examples of insects with incomplete metamorphosis

A

mayflies, dragonflies, grasshoppers/crickets, lice, roaches, aphids/cicadas, true bugs, etc.

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11
Q

egg, larva, pupa, adult;
considered more advanced;
immatures and adults often in different habitats

A

complete metamorphosis

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12
Q

examples of insects with complete metamorphosis

A

beetles, true flies, butterflies, fleas, bees/wasps, etc.

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13
Q

examples of mouthpart morphology

A

chewing vs. piercing/sucking

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14
Q

2 men who discovered arthropods as disease vectors

A

Theobald Smith,

F.L. Kilbourne (protozoan)

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15
Q

2 types of vectors

A

mechanical vector,

biological vector

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16
Q

vector type:

vector carries the pathogen (usually) externally

A

mechanical vector

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17
Q

vector type:

many different critters can transmit the same pathogen

A

mechanical vector

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18
Q

example of a mechanical vector

A

cholera (flies, cockroaches, etc.)

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19
Q

example of a biological vector

A

plague (oriental rat flea),

malaria (mosquitoes)

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20
Q

vector type:

vector carries the pathogen internally

A

biological vector

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21
Q

vector type:

pathogen is only carried by one or a few species of critter

A

biological vector

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22
Q

number of orthoptera species

A

26,000

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23
Q

(T/F) Orthoptera are economic pests and mechanical vectors.

A

true

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24
Q

true bugs

A

hemiptera

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25
Q

number of hemiptera species

A

50,000

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26
Q

(T/F) Hemiptera are economically important vectors and animal pests.

A

false (plant pests)

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27
Q

beetles (many pests)

A

coleoptera

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28
Q

metamorphosis of coleoptera

A

complete

29
Q

mouthparts of coleoptera

A

chewing

30
Q

meaning of coleoptera

A

sheath wing

31
Q

number of coleoptera species

A

400,000

32
Q

examples of coleoptera pests

A

boll weevil, japanese beetle, potato beetle, flour beetle, granary weevil, etc.

33
Q

grasshoppers and cockroaches

A

orthoptera

34
Q

metamorphosis of orthoptera

A

incomplete

35
Q

mouthparts of orthoptera

A

chewing

36
Q

meaning of orthoptera

A

skin wing

37
Q

metamorphosis of hemiptera

A

incomplete

38
Q

mouthparts of hemiptera

A

piercing/sucking

39
Q

meaning of hemiptera

A

partial wing

40
Q

social insects: bees, wasps, ants

A

hymenoptera

41
Q

metamorphosis of hymenoptera

A

complete

42
Q

mouthparts of hymenoptera

A

chewing

43
Q

meaning of hymenoptera

A

membrane wing

44
Q

number of hymenoptera species

A

130,000

45
Q

How are hymenoptera economically important?

A

as parasites and pollinators

46
Q

butterflies and moths

A

lepidoptera

47
Q

metamorphosis of lepidoptera

A

complete

48
Q

meaning of lepidoptera

A

scale wing

49
Q

mouthparts of lepidoptera

A

piercing/sucking (adults),

chewing (larvae)

50
Q

number of lepidoptera species

A

170,000

51
Q

(T/F) Lepidoptera are minor economic pests.

A

false (major)

52
Q

examples of lepidoptera pests

A

cotton bollworm, corn earworm, tomato fruitworm, bagworm, etc.

53
Q

true flies

A

diptera

54
Q

metamorphosis of diptera

A

complete

55
Q

mouthparts of diptera

A

piercing/sucking

56
Q

meaning of diptera

A

two wing

57
Q

number of described diptera species

A

about 240,000

58
Q

(T/F) Diptera are important disease vectors.

A

true

59
Q

examples of diptera vectors

A

mosquitos, tsetse fly

60
Q

example of a disease from diptera, maggots in live flesh

A

myiasis

61
Q

a plant or animal detrimental to humans or human concern

A

pest

62
Q

type of insect pest control:

modify the environment of some life-stage

A

cultural

63
Q

example of cultural pest control

A

drain the swamp

64
Q

type of insect pest control:

introduce a predator or pathogen

A

biological

65
Q

example of biological pest control

A

introduce parasitic wasps

66
Q

type of insect pest control:

introduce a toxin

A

chemical

67
Q

example of chemical pest control

A

spray the crops

68
Q

How do you control a vector-borne disease?

A

break the disease cycle

69
Q

How do you break a vector-borne disease cycle?

A

kill/eliminate vector,

chemoprophylaxis (drugs to prevent disease)