Acknowledgements

I would like to thank all contributors for their assistance but in particular the following people:

• Peter Chandler (UK) who, in his capacity as editor of the Dipterist's Digest, made articles from that journal available
• Reg Fry - AES article
• Mark Shaw, David Robertson & Tom Ford (UK) - for making their articles on host relationships available
• Mark Telfer & all at the Biological Records Centre - for their encouragement & support for the scheme
• Hans-Peter Tschorsnig (Stuttgart, Germany) - for making his keys available for public download