Laurence Clemons, who runs the Tephritid recording scheme, has just produced an updated set of maps, which are located at:
http://www.dipteristsforum.org.uk/documents/TEPHRITIDAE_MAPS_SEP08.pdf I'm sure these will be of interest to cecidologists.
Laurence is also appealing for additional records: I'm sure there are some for galls caused tephritids which would fill in some blanks.
Jerry Clough