On two wings, Tories and DUP labouring (9)
I believe the answer is:
dipterous
'on two wings tories and dup labouring' is the definition.
I can't tell whether this defines the answer.
'tories and dup labouring' is the wordplay.
'and' is a charade indicator (letters next to each other).
'labouring' indicates an anagram (letters worked or laboured into a new form).
'tories'+'dup'='toriesdup'
'toriesdup' with letters rearranged gives 'DIPTEROUS'.
Can you help me to learn more?
(Other definitions for dipterous that I've seen before include "like fly" , "like some flies" .)