Definitions:

1. A family of primitive, wingless insects. NOUN
   • The Machilidae are fascinating insects that have survived relatively unchanged since the time of the dinosaurs.
2. Small, slender insects with elongated bodies covered in scales. NOUN
   • Machilidae are important components of various ecosystems, contributing to nutrient cycling and decomposition.
3. Type of insects known for their ability to jump considerable distances when startled, a behavior that helps them evade predators. NOUN
   • Researchers studying forest ecosystems often encounter members of the Machilidae family in leaf litter and other damp, shaded areas.

Synonyms:

• bristletails
• jumping bristletails