Requisitos para la especialidad JA de Odonatos usados por la División Sudamericana
1. ¿Cuáles son las principales diferencias entre libélulas (Anizoptera) y doncellas (Zygoptera)?
2. Aproximadamente ¿cuántas especies de libélulas existen, en el mundo?
List five names by which dragonflies are known in different parts of your country.
Draw the life cycle of a dragonfly and indicate where it lives at each stage.
Describe the five main parts of dragonfly anatomy.
What is the average lifespan of dragonflies, in the larval stage and in the adult stage?
Why are dragonflies considered excellent bioindicators?
Name five different natural prey for dragonflies. Approximately what percentage of their weight does they eat daily?
Name five natural predators of dragonflies.
Describe the eyes of dragonflies and their functionality.
How many times per second can a dragonfly flap its wings?
For how many hours a day can a dragonfly fly on average?
What is the estimated maximum flight speed of dragonflies?
List three uses of dragonflies for man.