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 joannisi (Le Marchand, 1936)
[Lepidoptera: Gracillariidae]

White-bodied Midget

Phyllonorycter joannisi (Le Marchand, 1936)
Lithocolletis platanoidella Joannis, 1920. Ann. Soc. ent. Fr. 89: 411, fig. 1.
Phyllonorycter platanoidella
(Joannis, 1920).

Leaf-miner: The mine is rounded, between veins. The lower epidermis appears smooth or with several small creases (British leafminers).

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).

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

The cremaster is illustrated in British leafminers.

Adult: The adult is illustrated in UKMoths. The species is included in

Hosts in Great Britain and Ireland:

Acer platanoides Norway Maple British Wild Flowers by John Somerville et al. British leafminers
Acer platanoides Norway Maple British Wild Flowers by John Somerville et al. Pitkin & Plant
Acer platanoides Norway Maple British Wild Flowers by John Somerville et al. UKMoths

Hosts elsewhere:

Acer platanoides Norway Maple British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - larvae: July, October (British leafminers).

Time of year - adults: May and August are the flight periods for the two generations of adults (UKMoths).

Distribution in Great Britain and Ireland: Commonest in south-east England, but is expanding northwards and has recently been found as far north as York (UKMoths) including Bedfordshire, Denbighshire, East Kent, East Norfolk, East Suffolk, Glamorgan, Hertfordshire, Huntingdonshire, Leicestershire, Middlesex, North Devon, North Essex, North Somerset, Shropshire, South-west Yorkshire, Stafford, Surrey, West Gloucetster, West Kent, West Lancashire, West Norfolk, West Suffolk, Westmorland and Worcestershire (NBN Atlas).

See also British leafminers distribution map.

Distribution elsewhere: Widespread in continental Europe including Austria, Belgium, Bulgaria, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Italian mainland, Latvia, Lithuania, Republic of Moldova, Norwegian mainland, Poland, Russia - Central and Northwest, Slovakia, Slovenia, Sweden, Switzerland, The Netherlands and Ukraine (Karsholt and van Nieukerken in Fauna Europaea, as joannisi).

NBN Atlas links to known host species:

Acer platanoides

British and Irish Parasitoids in Britain and elsewhere:

Chrysocharis nephereus (Walker, 1839) Eulophidae: Entedoninae
Pediobius alcaeus (Walker, 1839) Eulophidae: Entedoninae
Sympiesis gordius (Walker, 1839) Eulophidae: Eulophinae
Coloneura stylata Förster, 1862 Braconidae: Alysiinae
Colastes braconius Haliday, 1833 Braconidae: Exothecinae

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 (as platanoidella)
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Last updated 20-Apr-2018  Brian Pitkin Top of page