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


Coleophora glaucicolella Wood, 1892
[Lepidoptera: Coleophoridae]

Grey Rush Case-bearer

Coleophora glaucicolella Wood, 1892. Ent. mon. Mag.: 102.

Leaf-miner and case-bearer: The full grown larval case is very similar to that of C. alticolella, but the larvae can be differentiated (UKMoths).

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 is illustrated in UKMoths.

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

Adult: The adult is illustrated in UKMoths. The species is included in

Hosts in Great Britain and Ireland:

Juncus       UKMoths

Hosts elsewhere: Currently unknown.

Time of year - larvae: Currently unknown.

Time of year - adults: June to August at sunrise, dusk and night.

Distribution in Great Britain and Ireland: Widespread and common in Britain (UKMoths); including Anglesey, Bedfordshire, Breconshire, Caernarvonshire, Cambridgeshire, Cardiganshire, Denbighshire, Dorset, Durham, East Kent, East Norfolk, East Ross, East Suffolk, Easterness, Flintshire, Glamorgan, Hertfordhsire, Huntingdonshire, Isle of Wight, Kirkudbrightshire, Leicestershire, Linlithgow, Merionethshire, Mid-west Yorkshire, Middlesex, North Essex, North Hampshire, North Somerset, North Wiltshire, Outer Hebrides, Pembrokeshire, Shropshire, South Aberdeenshire, South Hampshire, South-east Yorkshire, South-west Yorkshire, Stafford, Surrey, West Cornwall, West Lancashire, West Norfolk, West Perthshire, West Suffolk, West Sussex, Westmorland, Wigtownshire, and Worcestershire (NBN Atlas).

It is often abundant on salt marshes. Sometimes goes unrecorded because of confusion with another Juncus feeding species, C. alticolella (UKMoths).

Also recorded in the Republic of Ireland and Northern Ireland (Fauna Europaea and National Biodiversity Data Centre Map).

Distribution elsewhere: Widespread in continental Europe including Albania, Austria, Belgium, Bulgaria, Croatia, Czech Republic, Danish mainland, Estonia, Faroe Is., Finland, French mainland, Germany, ? Greek mainland, Hungary, Italian mainland, Latvia, Lithuania, Luxembourg, Madeira, Norwegian mainland, Poland, Portuguese mainland, Romania, Russia - Central, North and South, Sardinia, Sicily, Slovakia, Slovenia, Spanish mainland, Sweden, Switzerland, The Netherlands and Ukraine (Fauna Europaea).

NBN Atlas links to known host species:

Host species unknown

British and Irish Parasitoids in Britain and elsewhere:

Miotropis unipuncta (Nees, 1834) Eulophidae: Eulophinae
Hyssopus olivaceus (Thomson, 1878) Eulophidae: Eulophinae
Ichneumonoidea - Links to species no longer available  
Agathis lugubris (Förster, 1862) Braconidae: Agathidinae
Chelonus atripes Thomson, 1874 Braconidae: Cheloninae
Dolichogenidea halidayi (Marshall, 1872)) Braconidae: Microgastrinae
Dolichogenidea infima (Haliday, 1834)) Braconidae: Microgastrinae
Campoplex alticolellae Horstmann, 1980 Ichneumonidae: Campopleginae
Diadegma sordipes (Thomson, 1887) Ichneumonidae: Campopleginae
Diadegma sordipes (Thomson, 1887) Ichneumonidae: Campopleginae
Gelis avarus (Förster 1850) Ichneumonidae: Cryptinae
Gelis exareolatus (Forster 1850) Ichneumonidae: Cryptinae
Gelis seyrigi Ceballos, 1925 Ichneumonidae: Cryptinae
Diadegma sordipes (Thomson, 1887) Ichneumonidae: Campopleginae

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 11-Jul-2019  Brian Pitkin Top of page