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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Monochroa conspersella (Herrich-Schäffer, 1854)
[Lepidoptera: Gelechiidae]

Dingy Neb

Gelechia conspersella Herrich-Schäffer, 1854
onochroa conspersella (Herrich-Schäffer, 1854)

Leaf-miner: Lower surface blotch without folds, with irregular corridor-like extensions; centre of the mine brownish. Frass dispersed. (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).

Larva of Monochroa conspersella on Lysimachia vulgaris

Larva of Monochroa conspersella on Lysimachia vulgaris
Image: W. Ellis (Bladmineerders von Europa)

Pupa: Details unknown, pupation usually external. 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 (check for update). The species is included in

Hosts in Great Britain and Ireland:




Yellow Loosestrife

British Wild Flowers by John Somerville et al.

British leafminers


Hosts elsewhere:






Yellow Loosestrife

British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - larvae: Larvae mine from September till the onset of winter (Hering, 1957).

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: A local species, which can be abundant, found in damp areas and fens in Kent and the East of England as far as Lincolnshire (British leafminers). Britain including Cambridgeshire, East Kent, East Norfolk, Huntingdonshire and West Norfolk (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe including Albania, Austria, Belgium, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Hungary, Italian mainland, Latvia, Luxembourg, Macedonia, Poland, Russia - Central, East, North-west, Slovakia, Sweden, Switzerland, The Netherlands and Ukraine (Karsholt and van Nieukerken in Fauna Europaea).

NBN Atlas links to known host species:

Lysimachia vulgaris

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 Atlas
NHM UK Checklist
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Last updated 18-Apr-2018  Brian Pitkin Top of page