4.2: Characteristics of insects that make them very successful and how they could affect man

Question 1

Insect as the dominant terrestrial animal life on earth.

Answer 1

-Small size
-Have a protective cuticle (exoskeleton)
- efficient nervous system
- the evolution of flight
- high reproductive rate

Question 2

Why are insects so dominant and successful?

Answer 2

• structure
• flight
• small size
• reproductive capacity
• adaptability

Question 3

How many percent of all animals are insects?

Answer 3

80%

Question 4

How many describe species does insect have?

Answer 4

900,000

Question 5

Insects inhibit virtually all terrestrial habitats exception are:

Answer 5

Arctic
Antarctic
And peaks of very high mountains

Question 6

The following are feed on all types of organic matter.

Answer 6

Phytophagous
Predaceous
Parasitic
Saprophagous

Question 7

Feed on a vast array of food plants?

Answer 7

Herbivores

Question 8

Saprophagous insects?

Answer 8

Decomposer

Question 9

Those that feed on dead or dying plants tissues, dead animals(carrion and excrement (feces) of other animals.

Answer 9

Saprophagous insects

Question 10

Generally larger than their prey,consume many prey and all life stages can be predatory(immature and adult)

Answer 10

Predators

Question 11

Can be transient?

Answer 11

Ladybirds

Question 12

Can be residential

Answer 12

Predatory mites

Question 13

Use different approaches to find and kill prey?

Answer 13

Predators

Question 14

Main predators groups?

Answer 14

Spiders
Predatory bugs
Predatory mites
Hoverflies

Question 15

Is a spider an insect?

Answer 15

Not an insect

Question 16

Is a predatory mites an insect?

Answer 16

Not an insect

Question 17

They are specialized in their choice of host and only female searches for host.

Answer 17

Parasite

Question 18

True or false is different parasitoids species can attack different life stages of host?

Answer 18

True

Question 19

True or false. Immatures almost always kill host.

Answer 19

True

Question 20

Lives and feed in or on a larger host and develop inside the host.

Answer 20

Parasite

Question 21

True or false. Adults remain on or in the host.

Answer 21

False. Immatures remain on or in the host.

Question 22

True or false. Immatures and adults are free living, mobile and may be predaceous.

Answer 22

False, Only adults

Question 23

Example of parasite insect?

Answer 23

Trichogramma(underline) wasp

Question 24

What family does Trichogramma (underlined) wasp species belong?

Answer 24

Family of Trichogrammatidae

Question 25

Energy source and important in the food chain

Answer 25

Prey

Question 26

2 Example of pollinators insects.

Answer 26

Bee or honey bee ( Apis mellifera L.)- underlined Moth or the Yucca moth(Tegeticula yuccasella)- underlined

Question 27

What are the groups of insects?

Answer 27

Beneficial (non-pest) Destructive (pest)

Question 28

How many percent does of all insect species are non-pest?

Answer 28

99%

Question 29

Non-pest insect are?

Answer 29

1.pollinator 2. decomposer 3. Natural enemies (predators and parasitoids) 4.producers of useful products 5. Specimens for scientific studies 6. Aesthetic value

Question 30

The following are the reason why insects become pest. Except ? (1) change in cropping pattern which can result in some plant species being eliminated while new plants are being introduced; (2) larger areas of land are being utilized for planting which displaces other organisms in the area and can result to these organisms moving to another area; and (3) change in human values and preferences. (4)different parasitoid species can attack different life stages of host.

Answer 30

No. 4

Question 31

Oviposition and feeding indirect of destructive insects.

Answer 31

Direct damage

Question 32

This is the vectors of pathogens.

Answer 32

Damage

Question 33

Enumerate the types of feeding damage destructive insects.

Answer 33

A. Chewing type B. Boring type C. Suking type

Question 34

Types of feeding damage destructive insects that are defoliatiors, impact/extent of damage depends on extent of defoliation and plant growth stage/age.

Answer 34

Chewing type

Question 35

Types of feeding damage destructive insects that are feed on fruits, stem and roots.

Answer 35

Chewing type

Question 36

Caterpillars, beetles, grasshoppers, and leafminer are examples of what type of feeding damage destructive insects?

Answer 36

Chewing type

Question 37

Type of feeding damage destructive insects that make holes/tunnels - signs yellowing/wilting and drying of leaves, pitting and scarring, holes with frass/feces.

Answer 37

Boring type

Question 38

• -Asian corn borer (ACB), -eggplant fruit and shoot borer (EFSB),- tomato fruitworm, and termites are the examples of what type of feeding damage destructive insects?

Answer 38

Boring type

Question 39

chewing type -=defoliators suck-up liquid/sap=

Answer 39

Sucking type

Question 40

Hemipterans= maphids True bags=

Answer 40

Hemipterans

Question 41

IT excrete honeydew which favors growth of sooty mold that alters photosynthesis.

Answer 41

Homopterans

Question 42

True or false.Stunted growth, fewer leaves, wilting, drying and death and some species have toxins in their saliva or transmit pathogens are examples of sucking type of destructive insects.

Answer 42

True

Question 43

Bunchuy top= virus Papaya ring spot=

Answer 43

Virus

Question 44

Tarophagus proserfina= Gabi planthoppers Thrips tabcci Lindeman=

Answer 44

Trips

Question 45

Virus = Bean mosaic Stewart's disease=

Answer 45

Bacterium

Question 46

Taro feathery mosaic= Gabi or taro Corn=

Answer 46

Stewart's disease

Question 47

Rice tungro = rice Squash=

Answer 47

Squash leaf curl

Question 48

ACB=Asian corn borer Eggplant fruit and shoot borer=

Answer 48

EFSB

Question 49

Bunchuy top= Pentalonia nigronervosa Coq. Crazy bitter gourd (namamarako)=

Answer 49

Aphis gossypi/glober

Question 50

Papaya ring spot= Aphis gossypi Bemisita tabaci =

Answer 50

Squash leaf curl

Question 51

Corn flea beetle= cahetochnema puliceria Therigona orayzae M.=

Answer 51

Corn seedling maggots

Question 52

Rice tungro= Nepothettix virescens Thrips tabacci=

Answer 52

Tomato spotted wilt

Question 53

Tarophagus proserfina= taro feathery mosaic Aphis craccivora Koch=

Answer 53

Bean mosaic

Question 54

Pentalonia nigronervosa Coq.= Nilaparvata luggens(Stal.) = rice grassy stunt

Answer 54

Bunchy top

Question 55

Tomato spotted wilt = virus Crazy bitter gourd (namamarako)=

Answer 55

Virus