ABH: 66.003
BF: 1634
Family: Lasiocampidae
Subfamily: Malacosomatinae
Taxon: Malacosoma neustria
Authority: (Linnaeus, 1758)
Vernacular: Lackey
Account: Common on heaths, gardens and open woodland in the southern half of England, Wales and Ireland, a species of conservation concern under the UK Biodiversity Action Plan Similar to Ground Lackey M. castrensis, which see for differences. Larva feeds on various broad-leaved trees and shrubs, including Hawthorn, Blackthorn, Plum, Apple and Cherry, living gregariously within a silken web, over-wintering as an egg.
Wingspan: male 32 — 36 mm; female 40 — 44 mm
Surrey Flight Period: 6 May (2025) — 16 Aug (1991)
Foodplant: Acer sp. (a maple), Crataegus sp., Populus sp. (a poplar), Prunus sp., Quercus sp. (an oak), Ulmus sp. (an elm).
Status: Vulnerable (VU)
UK BAP: BAP(R)
WCA:
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Verification Grade: 1 — Relatively easily identified 👌
Further Information: https://www.ukmoths.org.uk/species/malacosoma-neustria/
* Based on adult records only.
Records: 418
Individuals: 110
Earliest Year: 1893
Latest Year: 2025