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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Eriocrania sparrmannella (Bosc, 1791)
[Lepidoptera: Eriocraniidae]

Mottled Purple


Tinea sparrmannella Bosc, 1791. Trans. Linn. Soc. Lond. 1: 197, t. 17 fig. 6-7.
Eriocrania sparrmannella
(Bosc, 1791).


Leaf-miner: A linear track widens to blotch, frass in long threads (British leafminers).

Corridor, generally starting not far from the midrib, at a conspicuous, yellowish oviposition scar, suddenly and somewhat angular widening into a full depth blotch. Often the corridor is overtaken by the blotch, but it remains recognisable in the frass pattern. Frass in long threads. Pupation in the ground (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).

Larva white, gut-line green (British leafminers). The larva is illustrated in 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 male genitalia, but not the female genitalia (check for update), are illustrated by the Lepidoptera Dissection Group.

Hosts in Great Britain & Ireland:

Betulaceae        
Betula       British leafminers
Betula       Pitkin & Plant
Betula       UKMoths

Hosts elsewhere:

Betulaceae        
Betula alleghaniensis     Bladmineerders van Europa
Betula humilis     Bladmineerders van Europa
Betula pendula Silver Birch British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Betula pubescens Downy Birch British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - larvae: June - August (British leafminers).

Time of year - adults: Flying from late April into May and can be netted during the day flying around the foodplant (UKMoths).

Distribution in Great Britain & Ireland: Locally but well distributed throughout Britain (UKMoths) including Bedfordshire, Buckinghamshire, Caernarvonshire, Cambridgeshire, Cheshire, Derbyshire, East Gloucestershire, East Ross, East Suffolk, Easterness, Elgin, Glamorgan, North Aberdeen, North Essex, Northamptonshire, Pembrokeshire, Shropshire, South Aberdeen, South Hampshire, South Lancaster, South Wiltshire, South-west Yorkshire, Stafford, Surrey, Warwickshire, West Suffolk, Westmorland and Worcestershire (NBN Atlas).

See also British leafminers distribution map.

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

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

NBN Atlas links to known host species:

Betula pendula, Betula pubescens

British and Irish Parasitoids in Britain and elsewhere:

Chalcidoidea  
Chrysocharis nephereus (Walker, 1839) Eulophidae: Entedoninae
Pnigalio agraules (Walker, 1839) Eulophidae: Eulophinae
Pnigalio longulus (Zetterstedt, 1838) Eulophidae: Eulophinae
Ichneumonoidea  
Lathrolestes clypeatus (Zetterstedt, 1838) Ichneumonidae: Euryproctinae
Grypocentrus basalis Ruthe, 1855 Ichneumonidae: Tryphoniinae


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
UKMoths

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Last updated 04-May-2017  Brian Pitkin Top of page