Unusual Times clue for mosquito (5)

I believe the answer is:

culex

'for mosquito' is the definition.
(I've seen this in another clue)

'unusual times clue' is the wordplay.
'unusual' indicates an anagram.
'times' becomes 'x' (x resembles the multiplication or times sign).
'x'+'clue'='xclue'
'xclue' anagrammed gives 'CULEX'.

I've seen this clue in The Times.

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