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Batia lunaris
find out more... Batia lunaris Copyright: Stephen Rolls

Essex Field Club
Essex Field Club
registered charity
no 1113963
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EFC Centre at Wat Tyler Country ParkWe are open today

We are normally open to the public at our centre at Wat Tyler Country Park every Saturday, Sunday and bank holiday 11am-4pm. We are also open on Wednesdays 10am-4pm.
Autumn recording Record Grey Squirrel Record Fly Agaric
Record Ivy Bee
Record Wild Teasel
Record Sloe, Blackthorn
Record Garden Spider Record Nigma walckenaeri spider

Essex Spider Group

The Essex Spider Group was set up in 1986 by Kate Hawkins just before the launch in 1987 of the national Spider Recording Scheme jointly run by the British Arachnological Society and the Biological Records Centre.

At the end of that year Kate had to leave the county and leadership of the group passed to Peter Harvey. The Essex Spider Group has consisted of a core of four members up to the present day, Peter, David Carr, Ken Hill and Ray Ruffell.

Essex Spider Group Copyright: Jo Ruffell
photograph by Jo Ruffell

We have covered much of Essex in our efforts to obtain comprehensive coverage of spiders, resulting in over 118,000 records for the county, mostly for the period 1986-the present. There are reliable data for 433 species, over two thirds of the national fauna. However there are still no recent records for sixteen of these species, most of which must be considered extinct in the county.

spider records by year Copyright: Peter Harvey

All spider data have been submitted to the Spider Recording Scheme and the Biological Records Centre, and Peter Harvey the National Organiser, with the help of David Nellist (the previous National Organiser) and many other arachnologists, prepared the first detailed national atlas of British spiders, based on 10km square distributions. This was published in February 2002 and contains much information not previously available on our national spider fauna.  It is available for £20 UKPounds inclusive of postage and packing from: Centre for Ecology & Hydrology, Publication Sales Section, Maclean Building, Benson Lane, Crowmarsh Gifford, Wallingford OX10 8BB, United Kingdom. For further details email

Interesting spider distribution patterns