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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Stigmella sorbi (Stainton, 1861)
[Lepidoptera: Nepticulidae]

Barred Rowan Pigmy


Nepticula sorbi Stainton, 1861. Entomol. Ann.: 91.
Stigmella sorbi
(Stainton, 1861).


Leaf-miner: A narrow gallery leads abruptly to large blotch (British leafminers).

Oviposition on the leaf underside. The mine begins as a very slender winding corridor of 15-20 mm, the second part of which is almost stuffed with frass. The corridor abruptly widens into a blotch with dispersed frass; in large leaves this blotch is almost circular. Mostly the midrib is not crossed, but the mine can occupy the major part of a leaflet. Often several mines in leaf (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).

The larva is greenish-white, with dark ventral spots (British leafminers).

Very pale green, head light brown; described by Gustafsson and van Nieukerken (1990a) (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 not illustrated in UKMoths. The genitalia are not illustrated by the Lepidoptera Dissection Group (ccheck for update).

Hosts in Great Britain & Ireland:

Rosaceae        
Sorbus       Pitkin & Plant
Sorbus aucuparia Rowan British Wild Flowers by John Somerville et al. British leafminers
Sorbus aucuparia Rowan British Wild Flowers by John Somerville et al. UKMoths

Hosts elsewhere:

Rosaceae        
Amelanchier       Bladmineerders van Europa
Cotoneaster integerrimus Wild Cotoneaster British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Cotoneaster simonsii Himalayan Cotoneaster British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Malus pumila Apple British Wild Flowers by John Somerville et al.

Bladmineerders van Europa, as Malus domestica

Sorbus aucuparia Rowan British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Sorbus intermedia Swedish Whitebeam British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Sorbus torminalis Wild Service-tree British Wild Flowers by John Somerville et al. Bladmineerders van Europa

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

Time of year - adults: On the wing in May (UKMoths).

Distribution in Great Britain & Ireland: The species is commonest in the north of England and Scotland, and is more localised in southern England and Ireland (UKMoths) including Banffshire, Caernarvonshire, Cambridgeshire, Cheshire, Cumberland, Denbighshire, Derbyshire, Durham, East Cornwall, East Ross, East Sutherland, Easterness, Edinburgh, Elgin, Glamorgan, Herefordshire, Kincardineshire, Linlithgow, Merionethshire, Mid-west Yorkshire, North Aberdeen, North Devon, North Ebudes, North Somerset, North-east Yorkshire, Shropshire, South Aberdeen, South Lancaster, South Wiltshire, South-east Yorkshire, Stafford, West Gloucestershire, West Norfolk, West Suffolk, Westmorland and Worcestershire (NBN Atlas).

See also British leafminers distribution map.

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, Bulgaria, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Greek mainland, Italian mainland, Latvia, Lithuania, Norwegian mainland, Poland, Romania, Russia - Central, North and Northwest, Slovakia, Slovenia, Spanish mainland, Sweden, Switzerland, The Netherlands and Ukraine. Also recorded in East Palaearctic (Karsholt and van Nieukerken in Fauna Europaea).

NBN Atlas links to known host species:

Cotoneaster integerrimus, Cotoneaster simonsii, Malus pumila, Sorbus aucuparia, Sorbus intermedia, Sorbus torminalis

British and Irish Parasitoids in Britain and elsewhere:

Chalcidoidea  
Cirrospilus diallus Walker, 1838 Eulophidae: Eulophinae
Cirrospilus vittatus Walker, 1838 Eulophidae: Eulophinae
Ichneumonoidea  
Coloneura stylata Förster, 1862 Braconidae: Alysiinae
Colastes braconius Haliday, 1833 Braconidae: Exothecinae
Gnamptodon decoris (Förster, 1862) Braconidae: Gnamptodontinae
Gnamptodon pumilio (Nees, 1834) Braconidae: Gnamptodontinae


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 11-May-2017  Brian Pitkin Top of page