the pupa exists in an impermeable, sealed integument… the pupa has been described as ‘a complete introvert.’ There is almost no exchange of substances with the environment and only minimal respiration by diffusion
Stein establishes the chrysalis/pupa as the archetype of radical introversion and sealed transformation, mapping the biological fact of impermeability directly onto the psychological experience of liminality.
, Transformation Emergence of the Self (Volume 7) (Carolyn, 1998thesis