pulvillus

Legs. d1 Coxa. d2 Trochanter. d3 Femur. d4 Tibia. d5 Tarsi. d6 Calcaria or Spurs. d7 Unguiculi or claws. d8 Pulvillus. e Front wing.

Arolium -ia: cushion-like pads on the tarsi of many insects: one of the lobes of the pulvillus; in Orthoptera, used only for the terminal pad between the claws: see empodium; pulvillus; palmula; plantula; onychium, paronychium, pseudonychium.

Extension plate: a structure at the base of the pulvillus whose function it is to extend it.

Extension sole: the pad-like pulvillus which may be extended by the extension plate through the pressure plate.

Plantula: a lobe of the divided tarsal pulvillus; one of the soles or climbing cushions of the foot: see arolium; pulviglus.