We have a network of volunteer recorders, who are experts on specific groups of species and collate and co-ordinate records and are willing to assist with identification of the more unusual species. Their contact details are below:
Chair of the Recorders? Committee

Dept. of Biological Sciences, University of Hertfordshire, College Lane, Hatfield, Herts, AL10 9AB
Amphibians and Reptiles
23 North Road, Hertford, Herts SG14 1LN
Amphibian and Reptile records are of particular interest at present as starting in 2015 and continuing until 2019, we are running a countywide survey of Mammals, Reptiles and Amphibians with the aim of updating the distribution atlas published in 2001. For further information please contact the atlas team.
Ants
69 Thornbury Gardens, Borehamwood, Herts WD6 1RD
Aquatic Beetles and Aquatic Bugs
8 Redwoods, Welwyn Garden City, Herts AL8 7NR
Bees and Wasps
Beetles

56 Back Street, Ashwell, Baldock, Herts SG7 5PE
Birds
199 Watford Road, St Albans, AL2 3HH
07966 983 033
The Herts Bird Club Records team includes, Alan Gardiner (Bird Recorder), Mike Ilett (Herts Rare Birds Panel), Tom Speller (Data Manager) and a team of volunteer helpers
Bugs: Terrestrial Heteroptera

Contact Joe here
Butterflies
93 Bengeo Street, Hertford, Herts SG14 3EZ
Caddis Flies

Dept. of Biological Sciences, University of Hertfordshire, College Lane, Hatfield, Herts, AL10 9AB
Crustacea and Fish
c/o Environment Agency, Apollo Court, 2 Bishops Square, St Albans Road West, Hatfield, Herts AL10 9EX
Dragonflies and Damselflies

62c High Street, Cheshunt, Waltham Cross, Herts EN8 0AH
Fungi
A team of volunteers and experts from the Herts and Beds Fungi Group maintain the data and records for Hertfordshire fungi and respond to mycological enquiries.
Geology
Grasshoppers, Crickets, Cockroaches and Earwigs

c/o Herts & Middx Wildlife Trust, Grebe House, St Albans, Herts AL3 4SN
Lacewings and allies
99 Warren Way, Digswell, Welwyn, Herts AL6 0DL
Leeches and Flatworms
Environment Agency, Alchemy House, Bessemer Road, Welwyn Garden City AL7 1HE
Lichens

136 Trowley Hill Road, Flamstead, St Albans, Herts AL3 8DZ
Mammals (including Bats)
23 North Road, Hertford, Herts SG14 1LN
Mammal records are of particular interest at present as starting in 2015 and continuing until 2019, we are running a countywide survey of Mammals, Reptiles and Amphibians with the aim of updating the distribution atlas published in 2001. For further information please contact the atlas team.
Mayflies
c/o Environment Agency, Apollo Court, 2 Bishops Square, St Albans Road West, Hatfield, Herts AL10 9EX
Moths

14 West Road, Bishops Stortford, Herts CM23 3QP
Spiders
Stoneflies

Dept. of Biological Sciences, University of Hertfordshire, College Lane, Hatfield, Herts, AL10 9AB
True Flies (especially Syrphids)
Clunie Cottage, Ayot St Lawrence, Welwyn, Herts AL6 9BX
Vascular plants
Other groups
c/o HMWT, Grebe House, St Michael's Street, St Albans, Herts AL3 4SN
Please send records of any groups or species not listed above to the Hertfordshire Environmental Records Centre.