Thinks there are insects, live, flying around inside (8)

I believe the answer is:

believes

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'thinks there' is the definition.
'believes' can be an answer for 'thinks' ('believe' can be a synonym of 'think'). I am not certain of the 'there' bit.

'insects live flying around inside' is the wordplay.
'insects' becomes 'bees' (bee is a kind of insect).
'flying around' is an anagram indicator.
'inside' is an insertion indicator.
'live' anagrammed gives 'liev'.
'bees' going around 'liev' is 'BELIEVES'.

'are' is the link.

Can you help me to learn more?

(Other definitions for believes that I've seen before include "Accepts as true" , "Credits" , "Swallows" .)

I've seen this clue in the Evening Standard.

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