iRecord is Surrey's recommended recording platform, via their website or iRecord Butterflies app.
Create your account to enter records (and photos).
Create filters to view records:
e.g. Surrey butterflies 2020.

iRecord guides
How to create a filter
Recording early stages Cathy Clarke video
Tree of conservation & recording

Please also see our dedicated pages:
Maps & Reports
Transects & WCBS.

Recording Where to submit records
iRecord Website
Butterflies for the New Millennium
BC's online portal
Enter data
Big Butterfly Count  
Garden Butterfly Survey Enter data
Migrant Watch  
UK Butterfly Monitoring Scheme: Transects Enter data
Wider Countryside Butterfly Survey Enter data

BC Surrey & SW London branch covers Watsonian vice-county 17, which includes most of the administrative county of Surrey and part of Greater London.
VC17 Surrey

Identification websites

Butterflies Near Me
Identify a Butterfly
UK Butterflies
Day-flying Moths

Surrey Atlas Series

2013 Butterflies of Surrey Revisited
2012 Smaller Moths of Surrey
1997 Larger Moths of Surrey
1995 Butterflies of Surrey – out of print