General comments: Extremely local resident. There is a thriving population, affecting two sites, in the Royston area of northern Hertfordshire, confirmed by genitalia dissection of both sexes in 2020. Other than here, volume 4, part 2, of Moths and Butterflies of Great Britain and Ireland, published in 2002, shows a record for Hertfordshire, but details are not available.
Determination by Genitalia Examination Required
Recorded in 2 (5%) of 41 10k Squares. First Recorded in 2017. Last Recorded in 2023. Additional Stats
This site requires necessary cookies to function correctly. We'd also like to set Google analytics cookies that help us make improvements by measuring how you use the site. These will be set only if you accept all cookies.
Necessary cookies enable core functionality such as security, network management, and accessibility. You may disable these by changing your browser settings, but this will affect how the website functions.
Cookies Policy