Dichotomous Key/Neuroptera

1

 * Sickle-shaped mandibles
 * Present -
 * Not present -

3

 * Larval habitat
 * Aquatic -
 * Terrestrial -

4: Megaloptera

 * Adult length
 * Longer than 5 cm - ../Corydalidae/
 * Shorter than 5 cm - ../Sialidae/