Butterflies

29 species of butterfly have been recorded at Treborth ie ,< 7% of the variety displayed by moths. They are as follows:

  • Small Skipper - first recorded in 2003 and common in some years in the parkland and grassland areas
  • Large Skipper – common most years in grassy areas and sometimes in woodland glades
  • Dingy Skipper – rather scarce – not recorded every year – grassy areas
  • Clouded Yellow – scarce – subject to irregular influx but never reported in more than ones or twos and many years goes unrecorded.
  • Brimstone – a handful of records, not likely to have bred
  • Large White - common
  • Small White – quite common
  • Green-veined White – common
  • Orange Tip – quite common
  • Purple Hairstreak – observed most years in July at edge of woodland; certainly breeds and population at Treborth could be quite large but many individuals frequent upper canopy of oaks so difficult to assess.
  • White-letter Hairstreak – probably declined but thought to be still present on remaining elms – requires concerted census in July
  • Small Copper – quite common in grassy areas
  • Common Blue – common in grassy areas
  • Holly Blue – quite common along woodland edge and in parkland
  • Red Admiral – common most years
  • Painted Lady – very variable numbers according to national influxes
  • Small Tortoiseshell – has experienced a decline in recent years but still quite common
  • Peacock – common
  • Comma – has increased over last 40 years and now reasonably common
  • Small Pearl-bordered Fritillary – has declined in last 40 years and now very scarce
  • Dark Green Fritillary – very rare and no recent sightings
  • Silver -washed Fritillary – just one record, c. 12 years ago.
  • Speckled Wood – common; three broods.
  • Wall Brown – scarce – found mainly on grassy banks near Strait
  • Grayling – very scarce – no recent record
  • Gatekeeper (or Hedge Brown) – common in grassland
  • Meadow Brown - common in grassland
  • Small Heath – now rather scarce in grassland
  • Ringlet – common in grassland