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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Phytomyza heckfordi Bland, 2011
[Diptera: Agromyzidae]


Phytomyza heckfordi Bland, 2011.


Leaf-mine: Oviposition near the leaf margin, in the distal half of the leaf. From here a narrow gallery of c. 15 mm runs to the leaf tip, then down again; then the gallery widens into a brown blotch that may occupy the entire width of the leaf. In the blotch the frass lies dispersed as black granules of variable sizes. Pupation external (Bladmineerders van Europa).

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.

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).

About 1 mm, sausage shaped, pale orange brown, segment limits shallow. Front spiracula T-shaped; rear spircaula on two stout bases, touching each other at their feet, with 13-14 papillae in circular arrangement (Bladmineerders van Europa). Drawing in Proc. Trans. BENHS 24: 125 (2011).

Hosts in Great Britain & Ireland:

Apiaceae        
Antennaria dioica Mountain Everlasting British Wild Flowers by John Somerville et al. Bland, 2011

Hosts elsewhere: Currently unknown.

Time of year - mines: Bivoltine; occupied mines were found in late June and in the first half of September (Bladmineerders van Europa).

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Described from Scotland in 2011 by Keith Bland.

Distribution elsewhere: Currently unknown

NBN Atlas links to known host species:

Antennaria dioica

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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