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 corvimontana Hering, 1930
[Diptera: Agromyzidae]


Phytomyza corvimontana Hering, 1930b. Z. angew. Ent. 17: 448
Phytomyza corvimontana Hering, 1930b; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 73, 111
Phytomyza corvimontana Hering, 1930b; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 301, 304 (fig. 1171), 305.


Leaf-mine: Mine linear, frequently adjoining mid-rib (Spencer, 1972b: 73).

Upper-surface corridor; the start may be lower-surface. Pupation outside the mine (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).

Black (de Meijere, 1934a) (Bladmineerders van Europa).

Hosts in Great Britain & Ireland:

Asteraceae        
Achillea ptarmica Sneezewort British Wild Flowers by John Somerville et al. Mines in BMNH
Achillea ptarmica Sneezewort British Wild Flowers by John Somerville et al. Robbins, 1991: 115
Achillea ptarmica Sneezewort British Wild Flowers by John Somerville et al. Spencer, 1972b: 111

Hosts elsewhere:

Asteraceae        
Achillea ptarmica Sneezewort British Wild Flowers by John Somerville et al. Spencer, 1990: 301
Achillea ptarmica Sneezewort British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - mines: October.

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Widespread in Britain including Middlesex (Scratch Wood), Westmorland (Grasmere), Perth (Killin) (Spencer, 1972b: 73) and Warwickshire (Alvecote) (Robbins, 1991: 115).

Distribution elsewhere: Europe (Spencer, 1990: 305) including The Netherlands (Bladmineerders van Europa), French mainland, Germany, Lithuania and Poland (Martinez in Fauna Europaea).

NBN Atlas links to known host species:

Achillea ptarmica

British and Irish Parasitoids in Britain and elsewhere:

Ichneumonoidea  
Chorebus alecto (Morley, 1924) Braconidae: Alysiinae
Dacnusa maculipes Thomson, 1895 Braconidae: Alysiinae
Dacnusa melicerta (Nixon, 1954) Braconidae: Alysiinae


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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