Rather short, full depth, gradually widening corridor, the last
section suddenly widenened still a bit more into an elongated blotch.
Frass in a central line, about 1/3 of the width of the corridor.
Pupation outside the mine (Bladmineerders van Europa).
Mine of Stigmella mespilicola on Sorbus torminalis
Image: © Guy Meredith (British
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).
Yellowish green to yellow. The larva is 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).
The adult is not illustrated in UKMoths (check for update). The genitalia are not illustrated by the Lepidoptera
Dissection Group (check for update).
Hosts in Great Britain & Ireland:
of year - larvae: Currently unknown.
of year - adults: Currently unknown.
in Great Britain & Ireland: Britain including Herefordshire (VC36),
Shropshire (VC40), Staffordshire (VC39), West Gloucestershire (VC34) and Worcestershire (VC37) (NBN
Gateway). See also British
leafminers distribution map.
NBN Grid Map:
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elsewhere: Widespread in continental Europe including Austria,
Croatia, Czech Republic, French mainland, Germany, Hungary, Italian
mainland, ? Macedonia, Romania, Slovakia, Slovenia, Spanish mainland,
Switzerland, Ukraine and Yugoslavia (Karsholt and van Nieukerken
in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: