If you are being bugged by European wasps it is timely to take action now since they are establishing new nests.
If you are currently being bothered by European wasps it is a good idea to take action NOW since they are presently establishing new nests.
The following websites contain information about the wasps, their nesting habits, and suggeted methods of control:
http://www.sece.rmit.edu.au/~e23447/wasp.html
http://www.dpiw.tas.gov.au/inter/nsf/WebPages/CPAS-5y9793?open
The following Government websites also contain some useful details on pest management methodologies:
http://permits.apvma.gov.au/PER11012.PDF
Whilst Olinda Creek Landcare Group takes no responsibility for the content of these sites, you may find them useful in dealing with your problem. Furthermore, should you use any chemicals to tackle your problems we recommend you read the instructions carefully and adhere to any advice provided in them.