Close to finishing, a rare result for me, but not sure about these.
3d Over everyone, small earwigs and beetles primarily creep (3)
If it's 'slimeball', I can account for everything apart from the 'earwigs' in the clue and the 'lime' in the answer.
33a A row I stomach, concealing bit of a pout for one always (2,9)
A: Ad infinititum.
I can account for everything apart from the 'bit of a pout' in the clue and the 'fin' in the answer.
44a Swindle involving right number of racehorses, for example (6)
Answer is 'string' I assume, but why racehorses?