A protest has been held by people in Avonmouth whose homes have been infested with flies for the last two months.
Swarms of the insects, which came from infested bales of biofuel at Avonmouth docks, have been buzzing round the town on a daily basis.
Campaigners say they want to meet with Mayor George Ferguson to see what can be done about the situation.
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Bristol Mayor George Ferguson has been accused of a "nasty personal attack" in a row over how the city's Green Capital cash was spent.
Bristol Mayor George Ferguson says there will be "further breakdown" of how the city's Green Capital cash was spent.