|Loading data - please wait|
|enter tetrad (e.g. SP12G) in box to right and click [List] button|
|To see species list for whole area for a time of year, click on one of the buttons below:|
|The selected data options below will be applied to the species list|
|(the format of this report is not controlled by the options above)|
See also the Gloucestershire Moth Distribution Maps
You can use this page to see lists of species which have been recorded in or adjacent to specified tetrads at any time of year, or lists of species which have been recorded anywhere in the recording area at particular times of year. It does not provide time-of-year lists for individual tetrads. Species records shown as unconfirmed on the maps are excluded from the lists.
A Smartphone version is also available. It only produces tetrad lists, with fewer list options than this page.
Type a tetrad in the small box and click the [List] button, or click on one of the 36 time of year buttons. The appropriate species list appears in the scrollable text area below the buttons. For time of year the species are listed in decreasing order of number of records from the period if that checkbox is selected. (N.B. Prior to 2012, for some regularly-recorded sites the county database might only include one record of each common species from each year, usually the record with the highest specimen count).
Species are listed in a choice of field separation formats. The field options are Agassiz, Beavan & Heckford (2013) checklist number, Bradley (2000) checklist number, Scientific name &/or Common name, UK status, and typical UK larval food (any commas in a list of foodplants are replaced by semicolons).
Clicking the [Highlights report] button reports on mapped records from the latest year, listing:
UK national status data listed here may not be completely accurate, and for some macro-moth species it is known to be out of date: some have become more widespread and others have become much scarcer since species were assigned to the various categories. The status of micro-moths was updated in January 2012 in Butterfly Conservation Report No. S12-02. The abbreviations used here are explained in the table below. If selected, the rare & scarce species option includes the categories from RDB1 down to Nb.
|RDB1||Red Data Book category 1: Endangered species with a single population in one 10Km OS grid square in the UK, or in rapid decline and found in at most 5 10Km squares|
|RDB2||Red Data Book category 2: Vulnerable species found in at most 10 10Km squares|
|RDB3||Red Data Book category 3: Rare species found in 11 - 15 10Km squares|
|pRDBn||Provisionally RDBn, yet to be ratified|
|RDBK||Thought to be RDB status, but insufficient knowledge|
|Na||Notable a (Nationally Scarce A): Scarce species found in 16 - 30 10Km squares|
|Nb||Notable b (Nationally Scarce B): Scarce species found in 31 - 100 10Km squares|
|BAP||Biodiversity Action Plan priority species for action. BAP status is independent of any RDB/Na/Nb rating|
|BAP(R)||Biodiversity Action Plan declining species for which research is needed|
|Local||Species found in 101 - 300 10Km squares|
|Common||Species found in more than 300 10Km squares|
|Migrant||Occurs as a result of immigration; may have colonised in the UK|
|Adventive||Occurs as a result of accidental or deliberate import; may have colonised|
The recording area includes the counties of Gloucestershire and South Gloucestershire, together with those parts of Watsonian vice-counties VC33 (East Glos.) and VC34 (West Glos.) which are outside the current administrative counties.
If you have moth records which are not shown on the maps or lists, please send them to the appropriate Moth Recorder as shown on the distribution maps page. The records currently available for the species lists are also indicated on that page.
Complete accuracy of the data is extremely unlikely - with more than 400,000 records some errors and omissions are inevitable. Records shown are those supplied to the VC33 & VC34 recorders indicated on the distribution maps page, to the previous Gloucestershire moth recorder Roger Gaunt (to 2011), and VC34 records supplied to the Bristol Regional Environmental Records Centre (BRERC) to the year shown on the maps page. Some unconfirmed records and those with insufficient information for mapping purposes have been omitted. For pairs or groups of species not separable with certainty from wing markings, only those records identified to species have been included but some of these could be erroneous.
Page last revised February 2018
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