Show insect on paper (7)
I believe the answer is:
pageant
'show' is the definition.
(a show or display)
'insect on paper' is the wordplay.
'insect' becomes 'ant' (ant is a kind of insect).
'on' means one lot of letters go next to another.
'paper' becomes 'page' (a page is a sheet of paper).
'ant' after 'page' is 'PAGEANT'.
(Other definitions for pageant that I've seen before include "Parade with tableaux" , "Tableaux or dramatic scenes depicting historical events" , "Dramatic performance" , "entertaining spectacle" , "Make public spectacle" .)