and case-bearer: Larva
feeds internally on seeds and fleshy spikes. A case is formed from
the tip of a spike, and feeding continues for a short time on other
Larva: The larvae of moths have a head capsule and chewing mouthparts with opposable mandibles (see video of a gracillarid larva feeding), six thoracic legs and abdominal legs (see examples).
The larva burrows into the mud to spend the winter in a silken
Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).
The adult is illustrated in UKMoths.
genitalia are illustrated by the Lepidoptera Dissection Group.
Hosts in Great Britain & Ireland:
elsewhere: Currently unknown.
of year - larvae: September to October (British
of year - adults: July or August (UKMoths).
in Great Britain & Ireland: A local species, inhabiting
saltmarshes around the coast of England and parts of Wales and can
roam inland, where they may be attracted to light (UKMoths)
including Denbighshire (VC50), East Suffolk (VC25), Glamorganshire (VC41), North Essex (VC19), North Somerset (VC6), South Hampshire and South-east Yorkshire (VC61), (NBN
Gateway). The available records indicate that this is a coastal species.
Also recorded from the Republic of Ireland. See also Ireland's NBDC interactive map.
NBN Grid Map:
NBN Grid Map : NBN Terms and Conditions
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elsewhere: Widespread in continental Europe including Austria,
Belgium, Canary Is., Croatia, Cyprus, Danish mainland, Finland,
French mainland, Germany, Greek mainland, Hungary, Italian mainland,
North Aegean Is., Norwegian mainland, Portuguese mainland, Romania,
Russia - South, Sardinia, Sicily, Slovenia, Spanish mainland, Sweden,
The Netherlands and Ukraine. Also recorded in the East Palaearctic,
Near East and North Africa (Karsholt and van Nieukerken in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: