Mantis or better known as Mantidae sapiens.
Mantis look human except for the legs which resemble an Mantis body and arms. They are a very organized spiritual colony and can get as big as six inches tall.
Mantis have very sharp sences and can feel movement with their antennae.
Though the Mantis have their own language of chatter that is common to them, they have also learned to speak English.
Mantis come from a universe where Mantidae sapiens were rescued by Lister. Mantis tend toward a spiritual way of life and have no need for possessions. They enjoy peace, meditation and quiet. They are experts in physical therapy and healing arts.
Mantis religion revolves around the wisdom of leaf which must be nourashed to grow.
Mantis are the decendants of the ship's evolved lab mantis or Mantidae sapiens and have set up shops all along the Red Dwarf's Promenade in an alternate reality. The Mantis kept very good history on their race since survival was their first concern untill they were able to get a strong hold and create a temple. Once the mantis were established they had a strong period of growth before the crew began to awaken.