The leaf and stem mines of British flies and other insects

(Coleoptera, Diptera, Hymenoptera and Lepidoptera)

by Brian Pitkin, Willem Ellis, Colin Plant and Rob Edmunds

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Coleophora adjunctella Hodgkinson, 1882
[Lepidoptera: Coleophoridae]

Saltern-rush Case-bearer

Coleophora adjunctella Hodgkinson, 1882.

Seed-feeder and case-bearer: The larva feeds internally on the seeds and then forms a case which consists of a seed capsule British leafminers.

Case of Coleophora adjunctella on Juncus Image: © Rob Edmunds (British leafminers)
Case of Coleophora adjunctella on Juncus
Image: © Rob Edmunds (British leafminers)

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).

Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).

Adult: The adult is not illustrated in UKMoths (check for update). The species is included in

Hosts in Great Britain and Ireland:

Juncus gerardii Saltmarsh Rush British Wild Flowers by John Somerville et al. British leafminers

Hosts elsewhere: Currently unknown.

Time of year - larvae: Currently unknown.

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Widespread in Britain including Anglesey, Cardiganshire, Carmarthenshire, Denbighshire, Dorset, East Cornwall, East Suffolk, Flintshire, Glamorgan, Haddington, Isle of Wight, North Essex and Pembrokeshire, South-east Yorkshire, West Cornwall and Wigtownshire (NBN Atlas). Also Hayling Island, Hampshire (British leafminers).

Also recorded in the Republic of Ireland (Karsholt and van Nieukerken in Fauna Europaea). See also Ireland's NBDC interactive map.

Distribution elsewhere: Widespread in continental Europe including Austria, Belgium, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Hungary, Italian mainland, Latvia, Norwegian mainland, Poland, Romania, Russia - North and South, Sardinia, Slovakia, Sweden, The Netherlands, and Ukraine (Karsholt and van Nieukerken in Fauna Europaea).

Also recorded in the East Palaearctic and Near East (Karsholt and van Nieukerken in Fauna Europaea).

NBN Atlas links to known host species:

Juncus gerardii

British and Irish Parasitoids in Britain and elsewhere:

Agathis anglica Marshall, 1885 Braconidae: Agathidinae
Scambus brevicornis (Gravenhorst, 1829) Ichneumonidae: Pimplinae

External links: Search the internet:

Belgian Lepidoptera
Biodiversity Heritage Library
Bladmineerders van Europa
British leafminers
Encyclopedia of Life
Fauna Europaea
NBN Atlas
NHM UK Checklist

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Last updated 13-Apr-2018  Brian Pitkin Top of page