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Coleophora
caespititiella (Zeller, 1939) Buff Rush Case-bearer Coleophora
caespititiella (Zeller, 1939) |
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Seed-feeder and case-bearer: The larva initially feeds inside a seed capsule. The case is made by the final instar larva and is decorated with frass and vegetable material. It also has characteristic 'gussets', which allow for expansion (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). At the larval stage caespititiella can be distinguished from other Juncus feeders by its grey case heavily encrusted with blackish frass and debris, with paler longitudinal expansion grooves (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 by Nigel Whinney. The species is included in mothdissection.co.uk. Comments: Until 1955, and sometimes later, the name of this species was incorrectly given to the ubiquitous rush feeder, C. alticolella (UKMoths). Hosts in Great Britain and Ireland:
Hosts elsewhere:
Time of year - larvae: In August it lives, without a case, concealed in a rush seed. In September it feeds on Juncus seeds from its case, 4 to 5 mm long, often hidden in the seedhead. In late September or October the full fed larva either leaves the foodplant or hides itself in the seedhead for the winter (UKMoths). Most larvae are fully fed late September/early October and then overwinter (British leafminers). Time of year - adults: Mid May to June at dusk and night (UKMoths); August to May (British leafminers). Distribution in Great Britain and Ireland: Widespread and locally common in England, but less so in Wales and Scotland (UKMoths) including Bedfordshire, Breconshire, Caernarvonshire, Carmarthenshire,Cardiganshire, Cambridgeshire, Cumberland, Dorset, Durham, East Cornwall, East Kent, East Norfolk, East Suffolk, Easterness, Glamorgan, Haddington, Herefordshire, Hertfordshire, Huntingdonshire, Isle of Wight, Kintyre, Kirkudbrightshire, Leicestershire, Linlithgow, Middlesex, North Northumberland, North Somerset, Shropshire, South Northumberland, South Wiltshire, Stafford, Surrey, West Kent, West Lancashire, West Norfolk, West Suffolk, Westmorland and Worcestershire (NBN Atlas). Also Rixton, Warrington, Cheshire (British leafminers) and Channel Is. It is widespread and locally common in England, but less so in Wales and Scotland (UKMoths). Also recorded in the Republic of Ireland (Fauna Europaea and National Biodiversity Data Centre Map). Distribution elsewhere: Widespread in continental Europe including Austria, Belgium, Croatia, Czech Republic, Danish mainlan, Estonia, Finland, French mainland, Germany, Hungary, Italian mainland, Latvia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Norwegian mainland, Poland, Portuguese mainland, Romania, Russia - South, Sardinia, Slovakia, Spanish mainland, Sweden, Switzerland, The Netherlands and Yugoslavia (Fauna Europaea). Also recorded in the Near East and Nearctic Region (Fauna Europaea). NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere:
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| Last updated 11-Jul-2019 Brian Pitkin |  |
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