Sites for National Grid Square: TM

The map below shows sites for this grid square, each represented by a pin that, when clicked, will show the species at that site. The Grid References provided in the table below the map can be used on Ordnance Survey maps, or on a website such as This is currently more accurate than the Google Map rendering you see below (which is up to 200 metres out).

The Grid Square represented by this map is often divided into squares of 10 kilometres each, numbered 0 to 9 from the south west corner, in both an easterly and northerly direction. This allows a Grid Reference such as SU32 to be specified (where SU is the National Grid Square, 3 is the easting and 2 the northing). Further division gives a more detailed reference, such as SU317201 (where SU is the National Grid Square, 317 is the easting and 201 is the northing).


Distribution data (2000-2009) has been made available through the generosity of Butterfly Conservation. Any subspecies distribution is taken from the book British and Irish Butterflies, by Adrian Riley. Based on this data, the following species and subspecies may be found in this grid square:

Species selection:

In the table below, the icon links to a Google search based on the site name, and the and icons (where present) link, respectively, to Google Maps and Streetmap representations of the grid reference.

Site Name Grid Reference Species Subtaxon
Copperas Wood TM199312 Purple Hairstreak
Dunwich Forest TM46107110 White Admiral
Dunwich Heath TM47706770 Brown Argus
Fingringhoe Wick TM041195 Green Hairstreak
Purple Hairstreak
Landguard TM28403160 Brown Argus
Martlesham Heath TM255455 Grayling ssp. semele
Silver-studded Blue ssp. argus
Newbourne Springs TM273435 Green Hairstreak
North Warren TM455587 Grayling ssp. semele
Stour Wood TM192311 White Admiral
Sutton and Hollesley Commons TM350465 Grayling ssp. semele
Silver-studded Blue ssp. argus
Small Copper ssp. eleus
Small Heath ssp. pamphilus
Walberswick TM493742 Green Hairstreak
Wenhaston Commons TM422748 Silver-studded Blue ssp. argus
Westleton Heath TM45366952 Grayling ssp. semele
Silver-studded Blue ssp. argus
Wortham Ling TM088797 Grayling ssp. semele
Green Hairstreak