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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
What eats the boll weevil?
Cotton
26
Which types of phagy is the colorado potato beetle?
Oligophagous ( he eats tomatro and eggplant too)
27
T\F | Fruit fly is oligophagous
FALSE | It is POLYphagous (it eats also flowers, vegetable and nuts)
28
T\F | Desert locust. gypsy moth and asian longhorned beetle are polyphagous
T
29
What is the common point between rice weevil, indian meal moth and foreing grain beetle?
They are all stored product pest
30
Is lice endoparasitic or ectoparasitic insects to humans?
ECTOparasitic
31
Cost of losses and benefits from insects?
5 billions losses, to 19 billion gains in the US :O
32
What is the phylum of class insecta?
Arthropoda, subphylum hexapoda
33
1. Exoskeleton 2. Bilateral symmetry 3. Segments 5. Open circulatory system 6. Spiracles or gills 7. Bran 8. Complete digestive system 9. Excretory system Are characteristics of
Phylum Insecta
34
What are the metameres grouped in tagmata of insects?
1. Head 2. Thorax 3. Abdomen
35
What is the name for the organisation of the body into major units?
Tagmosis (tagmata)
36
What is the number of segment by tagmata of insects?
6-3-11 (20)
37
Whats the difference between aposematic colaration and cryptic coloration?
``` aposematic = warning cryptic = camouflage ```
38
T\F | Structural insect color are derived from plants and from pigment deposition
F | PIGMENTAL are. Structural are derived from the cuticle and its irregularities.
39
What layer secretes epidermis?
Cuticle
40
What is the only exoskelton layer that contains cellules?
Epidermis
41
T\F | Procuticle layer is precursor of exocuticle and endocuticle
T
42
In what order (from the exterior to interior of the insect) are exocuticle, epidermis endocuticle, and epicutlcle?
1. Epicuticle 2. Exocuticle 3. Endocuticle 4. Epidermis
43
What are the differences between setae and spines?
Spines are not articulated, setae (trichoid sensilla) are.
44
What is process of shedding old cuticle? a) ecdysone b) exuvia c) ecdysis d) apolysis
c) ecdysis
45
What is the name of the hormone produced to acticate epiderm cells to secret a new skeleton?
Ecdysis
46
What is a teneral?
A newly emerged insect
47
What is the first step of molting process?
Ecdysone is released
48
What is apolysis?
Separation of the old cuticle from the epidermis
49
What is the process by wich the new cuticle becomes harder and darker?
Tanning, or sclerotization
50
T\F | Epidermis secretes new cuticule BEFORE ecdysis starts
TRUE
51
Which are the most complexe, mandibulate or haustellate mouthparts?
Haustellate
52
To which mouthparts belong proboscis?
Haustellate
53
``` Associate: 1. Hypognathous 2. Prognathous 3. Opisthognathous with directed ventrally, anteriorly and posteriorly ```
1. Hypognathous - ventrally 2. Prognathous - anteriorly 3. Opisthognathous - posteriorly
54
T\F | Compounds eyes are formed of ocelli
F | Compound eyes are formed of ommatidia.
55
T\F | The order of thorax segmentsare prothorax, metathorax and mesothorax
F | Is Prothorax, mesothorax and metathorax
56
T\F Notum is the lateral region of thorax
F Notum is the dorsal region of thorax. Pleuro is the later region, and Sternum is the ventral.
57
T\F | Most insects have 2 pairs of wings
T | Except dipiteria, they have only on pair f wings.
58
T\F | Halteres are modified wings
T, they are found in dipteria sp.
59
Features of thoses eings: 1. Tegmina 2. Elytra 3. Hemelytra
1. Termina: leathery ex: mantis, grasshoppers 2. Elytra: heavely sclerotized ex: beetles 3. Hemelytra: Basal section sclerotized only
60
What is the primitive number of abdominal segments?
11. Modern insects have 10 segments.
61
What is the dorsal and ventral name of insects abdomen?
Tergum (dorsal region), with tergite | Sternum (ventral region), wit stergite
62
T\F | 1 to 7 first segments of abdomen are non- reproductive
T
63
What is the name of the 8-11 segments when non reproductive?
Cerci (sensory organs)

Insects (3 decks)

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