Crossword Genius

Insect bite is raised (4)

Ross

I believe the answer is:

gnat

'insect' is the definition.
(I know that gnat is a type of dipteran)

'bite is raised' is the wordplay.
'bite' becomes 'tang' (both can mean a flavour or taste).
'is raised' says the letters should be written in reverse (going up in a down clue).
'tang' in reverse letter order is 'GNAT'.

(Other definitions for gnat that I've seen before include "Stinging insect" , "Something that bites" , "Small biting fly" , "Small biter" , "a little bit of a nuisance" .)

I've seen this clue in The Telegraph.
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