For viewers, it’s comical to inhale flies (8)

I believe the answer is:

iolanthe

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'for viewers it's comical' is the definition.
I can't judge whether this defines the answer.

'to inhale flies' is the wordplay.
'flies' indicates an anagram.
'to'+'inhale'='toinhale'
'toinhale' anagrammed gives 'IOLANTHE'.

Can you help me to learn more?

(Other definitions for iolanthe that I've seen before include "Gilbert and Sullivan opera" , "G&S's eponymous fairy" , "G&S piece" , "Staged work" , "G&S twenty three down" .)

I've seen this clue in The Times.

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