Season (Adult / Immature):
National Status: Common
Local Status: Common and widespread resident.
Local Record: Grade 2 See here for explanation
Flight time: One generation, Jul-Aug.
Foodplant: Broadleaved trees and shrubs including Rose family.
|Year first recorded||1905||2008||1992||1905|
|Year last recorded||2011||2008||2011||2011|
|Number of records||2056||1||112||4338|
|Number of individuals||7105||1||234||14680|
For the region, we have a total of 4338 records from 366 sites. Earliest record on file is in 1905.
For further information refer UK Moths.
Davey, P., 2009: A species found in England and Wales becoming less frequent as one heads north, the larva feeding on a variety of deciduous shrubs and plants. The larvae, which are highly distasteful to birds, behave in the same gregarious way as the Small Eggar1633, spinning a web on the host shrub to house the colony. The blue markings on the caterpillar are not pigment but Tyndall Blue, a colour derived from the interaction of light and micro-structures on the insect. When almost full-grown, the larvae disperse.
In Dorset, the moth is abundant in coastal districts, especially where blackthorn (Prunus spinosa) thickets abound. Inland, the moth ranges from common on chalky soils to rare on sandy soils.