Crossword Genius

Cool! Peter worked with a new beetle (11)

Ross

I believe the answer is:

coleopteran

'beetle' is the definition.
(member of the order coleoptera)

'cool peter worked with a new' is the wordplay.
'worked with' is an anagram indicator.
'new' becomes 'n' (common abbreviation eg NT for New Testament).
'cool'+'peter'='coolpeter'
'coolpeter' is an anagram of 'coleopter'.
'coleopter'+'a'+'n'='COLEOPTERAN'

I've seen this clue in the Sydney Morning Herald.
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