This calendar has been compiled by the Hertfordshire Natural History Society (HNHS) on behalf of natural history organisations in Hertfordshire. The type of event is colour coded: Outdoor events, Indoor meetings.

Sat 06 May 2017

Invertebrate recording at Balls Wood and Hertford Heath

Organised by: Herts Invertebrate Project

Sat 20 May 2017

Invertebrate recording at Oughtonhead Common

Organised by: Herts Invertebrate Project

Sat 03 Jun 2017

Invertebrate recording at Roughdown Common (Box Moor Trust)

Organised by: Herts Invertebrate Project

Sat 17 Jun 2017

Invertebrate recording at Panshanger Park

Organised by: Herts Invertebrate Project

Sat 15 Jul 2017

Invertebrate recording at Aldbury Nowers

Organised by: Herts Invertebrate Project

Sat 12 Aug 2017

Invertebrate recording at Whippendell Wood

Organised by: Herts Invertebrate Project