– click for General Verification Guidelines | – click for Specific Verification Guidelines 
– Uncertain/Unknown – Insufficient Data
– care required in the identification process, as confusion with similar species is likely – quality photographs required. no images were found
Distribution Map for Porrittia galactodactyla
No records foundIf the Map Layers function fails, just refresh the page and it should be OK after. Use the +- zoom on the top left, or on a tablet, use two fingers to zoom. Remember, the last layer you ticked is the one which displays the popup information - they sit on top of each other - de-select then re-select, to see the popup values.
******* Choose ONLY one at a time, of either Monad, Tetrad or Hectad Distribution - each has it's own set of data. Also, the distribution maps cover ALL recorded data. *******
Bedrock Geology ** indirectly affects moth distribution by influencing the type of habitat and food plants available in an area. In turn, this may affect the types of moths that can thrive, or where they can most likely be found.
Land-cover * shows the variety of land-cover within the VC57 area, based on the CORINE (Coordination of Information on the Environment) forty-four thematic classes of land-cover. This will show, to a greater or lesser degree, the number and variety of moths found in different land-cover types. The UK continues to operate within the Copernicus programme, with the UK Centre for Ecology & Hydrology (UKCEH) providing Corine Land Cover (CLC) datasets for the UK and its territories.
NBN Atlas UK Distribution for – Porrittia galactodactyla
⚠️ Please wait for the map to load fully – do not click the link shown.
Note – the NBN Atlas datasets are listed in the map below and vary in their currency (uptodateness) – however,
the map does give a general indication of the moth's distribution across the UK.
Monthly Records By Year:
Porrittia galactodactyla
( data includes both Larvae and Adult Stages )
Monthly Counts By Year: Porrittia galactodactyla
( data is based on 'Adult' stage records only. )
First/Last Recorded Dates: Porrittia galactodactyla
Adult-only & Anything [Larvae, Pupae, Adult, Mines]
Shading shows moth presence between dates
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Recordings By Year: Porrittia galactodactyla
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Porrittia galactodactyla
AGR: 0% | Total % Change: 0%
Porrittia galactodactyla
Insufficient records/data for an AGR analysis
Porrittia galactodactyla
Insufficient records/data for a CUSUM analysis
Hectad (10kmx10km) Coverage: Porrittia galactodactyla
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Porrittia galactodactyla
Porrittia galactodactyla
( data includes Adult Stage only )
Flight Period chart – the grey hatched area above, which can cross one or more months, pictorially represents the best guess we have for this moth's flight periods [month/s]. The coloured lines represent the actual months seen in flight, from site observation records received between 2020-2025.
Records Behind the Map and Charts - Porrittia galactodactyla – 0 records available
Listed by Year - descending - scroll across to see all table columns
No records found for Porrittia galactodactyla.