plantula
/ˈplantjʊlə/ /ˈplantʃʊlə/noun
Entomology. A lobe or flattened structure on the foot of an insect which assists in gripping surfaces; a pulvillus. In later use: specifically (in dipterans) a flattened structure on the underside of a tarsal segment.
Origin
Late 17th century (in an earlier sense). From post-classical Latin plantula small plant, young plant, seedling, slip, cutting from classical Latin planta + -ula.