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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Phyllonorycter oxyacanthae (Frey, 1856)
[Lepidoptera: Gracillariidae]

Common Thorn Midget

Lithocolletis oxyacanthae Frey, 1856
Phyllonorycter oxyacanthae
(Frey, 1856).

Leaf-miner: The mine is often in the lobe of the leaf. There are many creases in lower epidermis, which is strongly contracted, causing lobe or leaf-edge to fold over (British leafminers).

Rather small, lower-surface, tentiform mine with a yellow-green epidermis that has a number of folds. Pupation within the mine. The pupa of the summer generation in a quite flimsy cocoon; in the autumn generation there is more, golden, silk. All frass in a clump in the distal angle of the mine (Bladmineerders van Europa).

The mine is also illustrated in 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 Bladmineerders van Europa.

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

The pupa is illustrated in British leafminers and Bladmineerders van Europa.

Adult: The adult is illustrated in UKMoths. The male and female genitalia are illustrated by the Lepidoptera Dissection Group.

Hosts in Great Britain & Ireland:

Crataegus       British leafminers
Crataegus       Pitkin & Plant
Crataegus       UKMoths
Cydonia oblonga Quince British Wild Flowers by John Somerville et al. Pitkin & Plant
Pyrus       Pitkin & Plant

Hosts elsewhere:

X Crataemespilus arnieresi     Bladmineerders van Europa
Crataegus chrysocarpa     Bladmineerders van Europa
Crataegus laevigata Midland Hawthorn British Wild Flowers by John Somerville et al. Bladmineerders van Europa, as Crataegus oxycantha
Crataegus monogyna Hawthorn British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Crataegus pentagyna     Bladmineerders van Europa
Crataegus rivularis     Bladmineerders van Europa
Cydonia oblonga Quince British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Mespilus germanica Medlar British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Pyracantha coccinea Firethorn   Bladmineerders van Europa
Pyrus communis Pear   Bladmineerders van Europa
Sorbus aucuparia Rowan 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: July, September - October (British leafminers).

Time of year - adults: Two generations, producing adults in May and in August (UKMoths).

Distribution in Great Britain & Ireland: A common species throughout most of the British Isles (UKMoths) including Anglesey (VC52), Ayrshire (VC74), Banffshire (VC94), Bedfordshire (VC30), Breconshire (VC42), Buckinghamshire (VC24), Caernarvonshire (VC49), Cambridgeshire (VC29), Carmarthenshire (VC44), Cheshire (VC58), Derbyshire (VC57), East Gloucestershire (VC33), East Kent (VC15), East Norfolk (VC27), East Suffolk (VC25), East Sussex (VC14), Flintshire (VC51), Glamorganshire (VC41), Herefordshire (VC36), Hertfordshire (VC20), Huntingdonshire (VC31), Kincardineshire (VC91), Linlithgow, Middlesex (VC21), Monmouthshire (VC35), North Aberdeenshire (VC93), North Ebudes (VC104), North Essex (VC19), North Hampshire (VC12), North Somerset (VC6), North Wiltshire (VC7), Shropshire (VC40), South Aberdeenshire (VC92), South Devon (VC3), South Essex (VC18), South Lancashire (VC59), South Wiltshire (VC8), South-west Yorkshire (VC63), Staffordshire (VC39), Surrey (VC17), Warwickshire (VC38), West Cornwall (VC1), West Gloucestershire (VC34), West Kent (VC16), West Lancashire (VC60), West Norfolk (VC28), West Suffolk (VC26), Westmorland (VC69) and Worcestershire (VC37) (NBN Gateway).

See also British leafminers distribution map.

Also recorded in the Republic of Ireland and Northern Ireland (Karsholt and van Nieukerken.

See also Fauna Europaea). See also Ireland's NBDC interactive map.

NBN Grid Map:

NBN Grid Map

Phyllonorycter oxyacanthae
NBN Grid Map : NBN Terms and Conditions

Maps are only displayed if the NBN server is active. N.B. Only publicly available records, if any, are shown by default

Distribution elsewhere: Widespread in continental Europe including Austria, Belarus, Belgium, Bulgaria, Corsica, Croatia, Czech Republic, Danish mainland, Estonia, French mainland, Germany, Hungary, Italian mainland, Lithuania, Luxembourg, Republic of Moldova, Norwegian mainland, Poland, Portuguese mainland, Romania, Russia - Central and South, Sardinia, Sicily, Slovakia, Spanish mainland, Sweden, Switzerland, The Netherlands and Ukraine. Also recorded in Near East (Karsholt and van Nieukerken in Fauna Europaea).

NBN Interactive Grid Maps of known host species:

Crataegus laevigata, Crataegus monogyna, Cydonia oblonga, Mespilus germanica, Pyracantha coccinea, Pyrus communis, Sorbus aucuparia, Sorbus torminalis

British and Irish Parasitoids in Britain and elsewhere:

Achrysocharoides atys (Walker, 1839) Eulophidae: Entedoninae
Chrysocharis laomedon (Walker, 1839) Eulophidae: Entedoninae
Chrysocharis nephereus (Walker, 1839) Eulophidae: Entedoninae
Chrysocharis phryne (Walker, 1839) Eulophidae: Entedoninae
Pediobius alcaeus (Walker, 1839) Eulophidae: Entedoninae
Cirrospilus lyncus Walker, 1841 Eulophidae: Eulophinae
Cirrospilus vittatus Walker, 1838 Eulophidae: Eulophinae
Sympiesis gordius (Walker, 1839) Eulophidae: Eulophinae
Coloneura stylata Förster, 1862 Braconidae: Alysiinae
Colastes braconius Haliday, 1833 Braconidae: Exothecinae
Apanteles corvinus Reinhard, 1880 Braconidae: Microgastrinae
Pholetesor arisba (Nixon, 1973) Braconidae: Microgastrinae
Pholetesor circumscriptus (Nees, 1834) Braconidae: Microgastrinae
Diadegma melanium (Thomson, 1887) Ichneumonidae: Campopleginae
Diadegma nanus (Gravenhorst, 1829) Ichneumonidae: Campopleginae

External links: Search the internet:
Belgian Lepidoptera
Biodiversity Heritage Library
Bladmineerders van Europa
British leafminers
Encyclopedia of Life
Fauna Europaea
NBN Gateway

NHM UK Checklist
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Last updated 19-Sep-2016  Brian Pitkin Top of page