Derailleur (Archaeognatha

son. Microcoryphia) - wingless insects with mandibles stawowato arranged with the head of one p lane. Przedpłciowe appendages on the abdomen, and sexual appenda ges Final - side and a long thread of the final. For podgromady w ingless insects are classified as widespread but thermophile and sensitive to desiccation. In temperate zones found in warm habitats. They live under stones, in decaying wood in the litter. They are omnivores and herbivores.