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Insects > Quiz 1 > Flashcards

Quiz 1 Flashcards

1
Q

Où est la plus grande collection d’insectes au monde?

A

Au MNHN Musé National d’Histoire Naturelle en France, avec 40 millions de spécimens.

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2
Q

What are the min informations required for a captured specimen?

A
  1. Locality

2. Date of capture (roman for the month)

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3
Q

What are some treats of insect specimens?

A
  1. Other nsecs (ants, booklice, dermestid beetles)
  2. Mold
  3. Fading
  4. Dust and damage
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4
Q

What word refers to the number of individuals?

A

Abundance

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5
Q

What word refers to the number of species?

A

Diversity

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6
Q

How many species of insects are currently described?

A

1 million

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7
Q

Insects have colonized most biomes except…?

A

Marine environment

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8
Q

Name some reasons for insect success

A
  1. Ancient lineage
  2. Exoskeleton
  3. Wings
  4. Small size
  5. Complete Metamorphosis
  6. High reproductive capacity
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9
Q

Name some benefits of insects

A
  1. Pollination
  2. Food source
  3. Nutrient cycle*
  4. Soil improvement *
  5. Control of other organisms
  6. Medecine and genetics
  7. Biological indicators *
  8. Commercial products
  9. Aesthetics and cultural
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10
Q

Why are bees the most important pollinators?

A

Because they visit flowers for nectar AND pollen, because their larvae feed on pollen!

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11
Q

What is the name of the study of insects as human food?

A

Entomophagy

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12
Q

Why are scavenger important?

A
  1. Decomposition of organic matter

2. Nutrient cycling

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13
Q

What are carrion beetle, dung beetle and flesh flies?

A

Scavangers, important for nutrient cycle

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14
Q

Name some important soil arthropods

A

Termites, ants, beetle larvae, fly larvae, proturans, springtails and diplurans.

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15
Q

What insect is used to treat gangrenous wounds?

A

Maggots

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16
Q

What is the linked between chironomid larva(bloodworm), stonefly and mayfly?

A

They are usefeul biological indicators

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17
Q

Who produces silk?

A

Silkworm moth: bombyx mor

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18
Q

What is carminic acid?

A

A defense against predation from the female chochineal which extract is used to make dye.

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19
Q

T\F

Approximately 1% of insects are considered pest

A

T

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20
Q

Give a synonyme to herbivorous

A

phytophagous

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21
Q

What plant pests is specialists?

A

Monophagous

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22
Q

What plant pests feed on various plants in a single family?

A

Oligophagous

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23
Q

What plant pests are generalists?

A

Polyphagous

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24
Q

What have in common the boll weevil and the emerarld ash borer?

A

They are MONOPHAGOUS

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25
Q

What eats the boll weevil?

A

Cotton

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26
Q

Which types of phagy is the colorado potato beetle?

A

Oligophagous ( he eats tomatro and eggplant too)

27
Q

T\F

Fruit fly is oligophagous

A

FALSE

It is POLYphagous (it eats also flowers, vegetable and nuts)

28
Q

T\F

Desert locust. gypsy moth and asian longhorned beetle are polyphagous

A

T

29
Q

What is the common point between rice weevil, indian meal moth and foreing grain beetle?

A

They are all stored product pest

30
Q

Is lice endoparasitic or ectoparasitic insects to humans?

A

ECTOparasitic

31
Q

Cost of losses and benefits from insects?

A

5 billions losses, to 19 billion gains in the US :O

32
Q

What is the phylum of class insecta?

A

Arthropoda, subphylum hexapoda

33
Q
  1. Exoskeleton
  2. Bilateral symmetry
  3. Segments
  4. Open circulatory system
  5. Spiracles or gills
  6. Bran
  7. Complete digestive system
  8. Excretory system

Are characteristics of

A

Phylum Insecta

34
Q

What are the metameres grouped in tagmata of insects?

A
  1. Head
  2. Thorax
  3. Abdomen
35
Q

What is the name for the organisation of the body into major units?

A

Tagmosis (tagmata)

36
Q

What is the number of segment by tagmata of insects?

A

6-3-11 (20)

37
Q

Whats the difference between aposematic colaration and cryptic coloration?

A 
aposematic = warning
cryptic = camouflage
38
Q

T\F

Structural insect color are derived from plants and from pigment deposition

A

F

PIGMENTAL are. Structural are derived from the cuticle and its irregularities.

39
Q

What layer secretes epidermis?

A

Cuticle

40
Q

What is the only exoskelton layer that contains cellules?

A

Epidermis

41
Q

T\F

Procuticle layer is precursor of exocuticle and endocuticle

A

T

42
Q

In what order (from the exterior to interior of the insect) are exocuticle, epidermis endocuticle, and epicutlcle?

A
  1. Epicuticle
  2. Exocuticle
  3. Endocuticle
  4. Epidermis
43
Q

What are the differences between setae and spines?

A

Spines are not articulated, setae (trichoid sensilla) are.

44
Q

What is process of shedding old cuticle?

a) ecdysone
b) exuvia
c) ecdysis
d) apolysis

A

c) ecdysis

45
Q

What is the name of the hormone produced to acticate epiderm cells to secret a new skeleton?

A

Ecdysis

46
Q

What is a teneral?

A

A newly emerged insect

47
Q

What is the first step of molting process?

A

Ecdysone is released

48
Q

What is apolysis?

A

Separation of the old cuticle from the epidermis

49
Q

What is the process by wich the new cuticle becomes harder and darker?

A

Tanning, or sclerotization

50
Q

T\F

Epidermis secretes new cuticule BEFORE ecdysis starts

A

TRUE

51
Q

Which are the most complexe, mandibulate or haustellate mouthparts?

A

Haustellate

52
Q

To which mouthparts belong proboscis?

A

Haustellate

53
Q 
Associate:
1. Hypognathous
2. Prognathous
3. Opisthognathous
with directed ventrally, anteriorly and posteriorly
A
  1. Hypognathous - ventrally
  2. Prognathous - anteriorly
  3. Opisthognathous - posteriorly
54
Q

T\F

Compounds eyes are formed of ocelli

A

F

Compound eyes are formed of ommatidia.

55
Q

T\F

The order of thorax segmentsare prothorax, metathorax and mesothorax

A

F

Is Prothorax, mesothorax and metathorax

56
Q

T\F Notum is the lateral region of thorax

A

F
Notum is the dorsal region of thorax.
Pleuro is the later region, and Sternum is the ventral.

57
Q

T\F

Most insects have 2 pairs of wings

A

T

Except dipiteria, they have only on pair f wings.

58
Q

T\F

Halteres are modified wings

A

T, they are found in dipteria sp.

59
Q

Features of thoses eings:

  1. Tegmina
  2. Elytra
  3. Hemelytra
A
  1. Termina: leathery ex: mantis, grasshoppers
  2. Elytra: heavely sclerotized ex: beetles
  3. Hemelytra: Basal section sclerotized only
60
Q

What is the primitive number of abdominal segments?

A

Modern insects have 10 segments.

61
Q

What is the dorsal and ventral name of insects abdomen?

A

Tergum (dorsal region), with tergite

Sternum (ventral region), wit stergite

62
Q

T\F

1 to 7 first segments of abdomen are non- reproductive

A

T

63
Q

What is the name of the 8-11 segments when non reproductive?

A

Cerci (sensory organs)

Insects (3 decks)

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