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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Incurvaria masculella (Denis & Schiffermüller, 1775)
[Lepidoptera: Incurvariidae]

Feathered Bright


Tinea masculella Denis & Schiffermüller, 1775
Incurvaria masculella
(Denis and Schiffermüller, 1775).


Leaf-miner: The larvae mine leaves at first, forming a blotch mine, later descending to the ground in a portable case and feeding on dead leaves (UKMoths).

Oviposition is by way of an ovipositor, therefore no egg shell visible. The larva makes a small, roundish, blotch; often several in a leaf. Already after its first moult it makes an excision out of the mine, in size almost equal to the blotch (3-4 mm). Thus sandwiched it drops to the ground and continues feeding on dead leaf material (Bladmineerders van Europa).

The mine is also illustrated in British leafminers.

Mines of Incurvaria masculella
Mines of Incurvaria masculella
Image: © Rob Edmunds (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).

Mining Incurvaria-larvae, while resting, take a horse-shoe like posture, unlike the larvae of Antispila species (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 and the Encyclopedia of Life. The male and female genitalia are illustrated by the Lepidoptera Dissection Group. The ovipositor comb of masculella is illustrated in British leafminers alongside pectinea and oehlmanniella.

Hosts in Great Britain & Ireland:

Rosaceae        
Crataegus       British leafminers
Crataegus       Pitkin & Plant
Crataegus       UKMoths
Rosa       British leafminers

Hosts elsewhere:

Betulaceae        
Carpinus betulus Hornbeam British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Corylus avellana Hazel British Wild Flowers by John Somerville et al. Pitkin & Plant
Corylus avellana Hazel British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Ericaceae        
Vaccinium myrtillus Bilberry British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Fagaceae        
Castanea sativa Sweet Chestnut British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Fagus sylvatica Beech British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Quercus       Bladmineerders van Europa
Rosaceae        
Crataegus       Bladmineerders van Europa
Rosa       Bladmineerders van Europa
Tiliaceae        
Tilia cordata Small-leaved Lime British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Tilia platyphyllos Large-leaved Lime   Bladmineerders van Europa

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

Time of year - adults: May (UKMoths).

Distribution in Great Britain & Ireland: Fairly common moth over most of Britain (UKMoths) including Anglesey (VC52), Banffshire (VC94), Bedfordshire (VC30), Berkshire (VC22), Breconshire (VC42), Buckinghamshire (VC24), Caernarvonshire (VC49), Cambridgeshire (VC29), Cardiganshire (VC46), Cheshire (VC58), Cumberland (VC70), Denbighshire (VC50), Derbyshire (VC57), East Cornwall (VC2), East Gloucestershire (VC33), East Kent (VC15), East Norfolk (VC27), East Suffolk (VC25), East Sussex (VC14), East Sutherland (VC107), Flintshire (VC51), Glamorganshire (VC41), Herefordshire (VC36), Hertfordshire (VC20), Kincardineshire (VC91), Leicestershire (VC55), Merionethshire (VC48), Middlesex (VC21), North Essex (VC19), North Hampshire (VC12), North Somerset (VC6), North Wiltshire (VC7), North-west Yorkshire (VC65), Shropshire (VC40), South Aberdeenshire (VC92), South Devon (VC3), South Lancashire (VC59), South Wiltshire (VC8), Staffordshire (VC39), Surrey (VC17), Warwickshire (VC38), West Gloucestershire (VC34), West Kent (VC16), West Norfolk (VC28), West Suffolk (VC26), Westmorland (VC69) and Worcestershire (VC37) (NBN Gateway) the Channel Is. (Karsholt and van Nieukerken in Fauna Europaea).

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

NBN Grid Map:

NBN Grid Map

Incurvaria masculella
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 Albania, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Corsica, Croatia, Czech Republic, Danish mainland, Estonia, European Turkey, Finland, French mainland, Germany, Greek mainland, Hungary, Italian mainland, Kaliningrad Region, ? Luxembourg, Macedonia, Norwegian mainland, Poland, Portuguese mainland, Romania, Russia - East and Northwest, Slovakia, Spanish mainland, Sweden, Switzerland, The Netherlands and Ukraine (Karsholt and van Nieukerken in Fauna Europaea).

NBN Interactive Grid Maps of known host species:

Carpinus betulus, Castanea sativa, Corylus avellana, Fagus sylvatica, Tilia cordata, Tilia platyphyllos, Vaccinium myrtillus

British and Irish Parasitoids in Britain and elsewhere: Currently unknown.



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
UKMoths
Find using Google
Find using Google Scholar
Find images using Google


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Last updated 22-Jul-2016  Brian Pitkin Top of page