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Donacaula
forficella (Thunberg, 1794) Pale Water-veneer
Tinea
forficella Thunberg, 1794.
Ins. Succisa.: 85, pl. (opp. 98) fig. 4. |
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Leaf-miner: Common reed and similar plants are the larval foodplant. The larva of this species has a peculiar habit of cutting part of a leaf to act as a raft, using this to float on the water to a new foodplant when necessary (UKMoths). Narrow, whitish, rather inflated corridor, sometimes several tens of centimeters long, running towards the leaf sheath. Frass in coarse grains, in a distinct central line. Now and then the larva makes a elongate case from leaf material and uses it to float to another hostplant. The case may stick for some time to the new host. The larva pupates in a stem, after having made an exit hole and closed it with silk (Bladmineerders van Europa). 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). Greyish green; head black, prothoracic shield black, divided. Thoracic feet with an antero-mesal globular structure (Neunzig, 1987a) (Bladmineerders van Europa). 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 mothdissection.co.uk. Hosts in Great Britain and Ireland:
Hosts elsewhere:
Time of year - larvae: June; larva overwinters (Bladmineerders van Europa). Time of year - adults: June and July and usually encountered at light (UKMoths). Distribution in Great Britain and Ireland: Southern half of Britain, inhabiting marshy areas, ditches and similar habitats (UKMoths). Anglesey, Bedfordshire, Berkshire, Breconshire, Caernarvonshire, Cambridgeshire, Cardiganshire, Carmarthenshire, Denbighshire, Derbyshire, Dorset, East Cornwall, East Gloucestershire, East Kent, East Norfolk, East Suffolk, East Sussex, Glamorgan, Hertfordshire, Huntingdonshire, Isle of Wight, Leicestershire, Middlesex, North Essex, North Hampshire, North Somerset, Northamptonshire, Nottinghamshire, Shropshire, South Essex, South Hampshire, South South Lancashire, South Somerset, South-east Yorkshire, South-west Yorkshire, Stafford, Surrey, West Cornwall, West Gloucestershire, West Kent, West Norfolk, West Suffolk, West Sussex and Westmorland (NBN Atlas) and Channel Is. (Fauna Europaea). Also recorded in the Republic of Ireland (Fauna Europaea and National Biodiversity Data Centre Map). Distribution elsewhere: Widespread in continental Europe including Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Corsica, Croatia, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Greek mainland, Hungary, Italian mainland, Latvia, Lithuania, Luxembourg, Macedonia, Norwegian mainland, Poland, Romania, Russia - Central and South, Slovakia, Spanish mainland, Sweden, Switzerland and The Netherlands (Fauna Europaea). NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere: Currently unknown. |
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Belgian Lepidoptera |
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| Last updated 23-May-2019 Brian Pitkin |  |
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