Integrated pleated screen assembly

A screen assembly for a fenestration unit having a frame and a window sash, the frame including a first pocket and a second pocket, wherein at least a portion of the window sash is positioned to travel within the first pocket, the screen assembly comprising:

• a housing forming a screen retention space when the screen assembly is in a closed position, wherein at least a portion of the housing is operable to be positioned to travel within a second pocket of a frame;
• a pleated screen positioned within the screen retention space when the screen assembly is in the closed position, the pleated screen including a first end coupled to a first portion of the housing and a second end coupled to a second portion of the housing;
• a catch element extending from the housing and configured to releasably engage with a lip on the window sash, wherein the catch element is operable to disengage from the window sash when the window sash is rotated out-of-plane due to the lip of the window sash being rotated out-of-plane and away from the catch element;
• and
• an end cap positioned at one of first and second longitudinal ends of the housing, wherein the end cap is configured to engage one of first and second pockets of the frame, wherein the end cap is operable to limit rotational movement of the second housing member.