AY Honor Odonates Requirements used by South American Division

Odonates

Skill Level

1

Year

2012

Version

21.12.2024

Approval authority

South American Division

1. What are the main differences between dragonflies (Anizoptera) and damselflies (Zygoptera)?

2. Approximately how many species of dragonflies are there in the world?

3. List five names by which dragonflies are known in different parts of your country.

4. Draw the life cycle of a dragonfly and indicate where it lives at each stage.

5. Describe the five main parts of dragonfly anatomy.

6. What is the average lifespan of dragonflies, in the larval stage and in the adult stage?

7. Why are dragonflies considered excellent bioindicators?

8. Name five different natural prey for dragonflies. Approximately what percentage of their weight does they eat daily?

9. Name five natural predators of dragonflies.

10. Describe the eyes of dragonflies and their functionality.

11. How many times per second can a dragonfly flap its wings?

12. For how many hours a day can a dragonfly fly on average?

13. What is the estimated maximum flight speed of dragonflies?

14. List three uses of dragonflies for man.