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


Chirosia montana Pokorny, 1893
[Diptera: Anthomyiidae]

Chirosia montana Pokorny, 1893. Verh. zool.-bot. Ges. Wien 43: 17.

Leaf-mine: Details unknown.

Larva: The larvae of flies are leg-less maggots without a head capsule (see examples). They never have thoracic or abdominal legs. They do not have chewing mouthparts, although they do have a characteristic cephalo-pharyngeal skeleton (see examples), usually visible internally through the body wall. The larvae lie on their sides within the mine and use their pick-like mouthparts to feed on plant tissue.

Puparium: The puparia of flies are formed within the hardened last larval skin or puparium and as a result sheaths enclosing head appendages, wings and legs are not visible externally (see examples).

Hosts in Great Britain and Ireland: Currently unknown.

Hosts elsewhere:

Cystopteris fragilis Brittle Bladder-fern British Wild Flowers by John Somerville et al. Michelsen in litt. to Mike Ackland

Time of year - mines: Currently unknown.

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Northern Britain including Cumberland, Mid-Perth and Westmorland (NBN Atlas).

Distribution elsewhere: Austria, Norwegian mainland and Sweden (Michelsen in Fauna Europaea).

NBN Atlas links to known host species:

Cystopteris fragilis

British and Irish Parasitoids in Britain and elsewhere: Currently unknown.

External links: Search the internet:
Biodiversity Heritage Library
Bladmineerders van Europa
British leafminers
Encyclopedia of Life
Fauna Europaea
NBN Atlas
NHM UK Checklist
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