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

N.B. Links to the latest version of 'Leafminers and plant galls of Europe' are being edited

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Stigmella torminalis (Wood, 1890)
[Lepidoptera: Nepticulidae]

Hereford Pigmy


Nepticula torminalis Wood, 1890. Ent. mon. Mag. 26: 209.
Stigmella torminalis
(Wood, 1890).


Leaf-miner: Egg at the leaf underside. Initially a straight, narrow corridor, becoming wider and more contorted, in the end almost a botch. Frass linear throughout. Pupation outside the mine (Bladmineerders van Europa).

The mine has linear frass and is initially straight but then becomes contorted and widens almost into a blotch. There may be several mines in a leaf (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).

Pale yellow, head blackish (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 not illustrated in UKMoths (check for update). The genitalia are not illustrated by the Lepidpotera Dissection Group (check for update).

Hosts in Great Britain & Ireland:

Rosaceae        
Sorbus torminalis Wild Service-tree British Wild Flowers by John Somerville et al. Pitkin & Plant

Hosts elsewhere:

Rosaceae        
Sorbus torminalis Wild Service-tree British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - larvae: Currently unknown.

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Britain (Karsholt and van Nieukerken in Fauna Europaea). See also British leafminers distribution map.

 

Distribution elsewhere: Germany (Karsholt and van Nieukerken in Fauna Europaea).

NBN Atlas links to known host species:

Sorbus torminalis

British and Irish Parasitoids in Britain and elsewhere:

Ichneumonoidea  
Allurus muricatus (Haliday, 1833) Braconidae: Euphorinae


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
UKMoths
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Last updated 20-Aug-2017  Brian Pitkin Top of page