Grayling
Hipparchia semele
National Status
In decline, fast becoming a coastal and southern heathland butterfly. Population trend 10 years to 2016 +10%; since 1976 – 58%.
West Midlands Status
Occurs largely in two areas: the Long Mynd/Stiperstones and Earl's Hill; range contracting and now extinct on the Malverns. Population trend 10 years to 2016 – decreasing.
Grayling was recorded in 18 squares in 2026
10 Year Trend Analysis
Habitat
A butterfly of poor soil and arid conditions, bare ground and rocky outcrops with fine grasses such as Sheep’s Fescue (Festuca ovina) providing the essentials for breeding.
Caterpillar Food Plant
The main foodplants are Bristle Bent (Agrostis curtisii), Early Hair-grass (Aira praecox), Red Fescue (Festuca rubra) and Sheep’s-fescue (Festuca ovina). Marram (Ammophila arenaria) and Tufted Hair-grass (Deschampsia cespitosa) are also used.
Life Cycle
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |||||||||||||||||||||||||||||||||||||
| Egg | ||||||||||||||||||||||||||||||||||||||||||||||||
| Larva | ||||||||||||||||||||||||||||||||||||||||||||||||
| Pupa | ||||||||||||||||||||||||||||||||||||||||||||||||
| Adult | ||||||||||||||||||||||||||||||||||||||||||||||||
Flight Period
One brood July-early September, peaking late July in an average season.
First/Last Sightings 2026
| First Sighting | Recorded by | Last Sighting | Recorded by |
| 22 June | Lewis, Stephen | 23 August | Smith, Paul |
Distribution Map
Key
Total number of sightings per tetrad
Hotspots
The Bog and Stiperstones in Shropshire.