Topic 4: Impact of Insects

Question 1

TYPES OF INSECT BENEFITS

Answer 1

1. direct
2. indirect

Question 2

BENEFITS: DIRECT

Answer 2

1. honey
2. wax
3. silk
4. dye

Question 3

BENEFITS: INDIRECT

Answer 3

1. pollinators
2. nutrient recyclers
3. natural enemies
4. food for other creatures
5. food for humans
6. feed for domesticated animals
7. production of natural products
8. experimental animals
9. aesthetic value
10. index of ecological quality
11. robot models

Question 4

ENTOMOPHAGY

Answer 4

1. use of insects as food for humans

Question 5

INSECTS USED FOR ENTOMOPHAGY

Answer 5

1. mole cricket (orthoptera)
2. coconut rhinoceros beetle (coleoptera)
3. red fire ant (hymenoptera)
4. june beetle (coleoptera)

Question 6

INSECTS ORDERS USED AS BIOINDICATORS

Answer 6

1. odonata
2. coleoptera
3. lepidoptera
4. diptera

Question 7

HARMFUL EFFECTS OF INSECTS

Answer 7

1. annoy man
2. destruction of valuable materials
3. destruction of crops
4. reduce quality of produce
5. transmission of pathogenic microorganisms

Question 8

HARMFUL EFFECTS OF INSECTS ON CROPS

Answer 8

1. consume tissues
2. decompose plan tissues before feeding
3. suck plant saps
4. inject toxic materials to plant tissues
5. clog xylem and phloem
6. transmit systematic plant pathogens
7. provide entry point for non-systematic pathogens