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

Join us on Facebook

Swammerdamia passerella (Zetterstedt, 1839)
[Lepidoptera: Yponomeutidae]

Oecophora passerella Zetterstedt, 1839
Swammerdamia passerella
(Zetterstedt, 1839).

Leaf-spinner: The larva spins a light web on the surface of leaves of dwarf birch, feeding on the leaf surface (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).

Adult: The adult is illustrated in UKMoths by Duncan Williams. The genitalia are not illustrated by the Lepidoptera Dissection Group (check for update).

Hosts in Great Britain & Ireland:

Betula nana Dwarf Birch British Wild Flowers by John Somerville et al. Pitkin & Plant
Betula nana Dwarf Birch British Wild Flowers by John Somerville et al. UKMoths

Hosts elsewhere: Currently unknown.

Betula nana Dwarf Birch British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - larvae: Currently unknown.

Time of year - adults: Adults emerge in late May, coinciding with the leaf-flush of Betula nana. They can be seen flying low over the plant in the early evening (UKMoths).

Distribution in Great Britain & Ireland: A rare species, restricted in the British Isles to high altitude in the Scottish Highlands (UKMoths).

NBN Grid Map:

NBN Grid Map

Swammerdamia passerella
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 Estonia, Finland, Norwegian mainland, Poland, Russia - North and Northwest and Sweden (Karsholt and van Nieukerken in Fauna Europaea).

NBN Interactive Grid Maps of known host species:

Betula nana

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
Find using Google
Find using Google Scholar
Find images using Google

XHTML Validator
Last updated 24-Jul-2016  Brian Pitkin Top of page