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1>
Blotch mine.
2.
->
Corridor mine.
3.
2>
Larva forming whitish/greenish blotch. Pupation external, on the
ground. Puparium reddish-brown
On
Artemisia and Eupatorium in Britain and additional
Asteraceae elsewhere. Widespread in England and Continental Europe.
Also recorded in China, Japan, Colombia and Canada.
Calycomyza
artemisiae (Kaltenbach) [Diptera: Agromyzidae].
->
Blotch mine. Pupation external. Puparium yellow
On
Eupatorium in Britain and additional genera of Asteraceae
elsewhere. England, as far north as York, and Wales. Widespread
in Europe. Also recorded in the East Palaearctic.
Stemonocera
cornuta (Scopoli) [Diptera: Tephritidae].
->
Blotch mine. Pupation external. Puparium yellow
On
numerous genera of Asteraceae in Britain and elsewhere. In Britain
more common in the north than in the south. Also throughout the
Palaearctic Region except the Mediterranean and Middle Eastern
areas.
Trypeta
artemisiae (Fabricius) [Diptera: Tephritidae].
->
Mine filling apex of leaf segment, with short final section extending
further into leaf. Pupation normally in leaf at end of mine.
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Mine
of Liriomyza eupatoriana on Eupatorium cannabinum
Image: Rob Edmunds (British
leafminers)
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On
Eupatorium in Britain and elsewhere. Uncommon in Britain
- Wilts and Cambridge. Widespread in Europe
Liriomyza
eupatoriana Spencer [Diptera: Agromyzidae].
3>
Mine primarily associated with the mid-rib.
4.
->
Mine not primarily associated with the mid-rib.
5.
4>
Corridor mine following the mid-rib, with lateral offshoots. Puparium
yellow
On
numerous genera of Asteraceae. Throughout the British Isles, more
common in the south than the north. Also Europe.
Trypeta
zoe Meigen [Diptera: Tephritidae].
->
A distinctive mine primarily above mid-rib, with irregular short
lateral offshoots into leaf blade. Pupation external.
On
more than 40 host genera in 15 families in Britain. Widespread
throughout Britain. Also recorded in the Republic of Ireland and
is widespread and common in Europe.
Liriomyza
strigata (Meigen) [Diptera: Agromyzidae].
5>
Mine linear, whitish, both upper and lower surface. Pupation internal,
at the end of the mine, with the anterior spiracles projecting through
the epidermis.
Two
highly polyphagous species of Chromatomyia, with indistinguishable
mines, have been recorded in Britain. These are syngenesiae
(Hardy) and horticola
(Goureau). British records of horticola
and syngenesiae
on Asteraceae hosts not based on examination of the genitalia
of reared males are treated here as Chromatomyia
'atricornis'.
Chromatomyia
'atricornis' auctt. [Diptera: Agromyzidae].
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A linear mine commencing with a conspicuous regular spiral and then
continuing a considerable distance more or less straight.
On
Aster, Eupatorium, Helianthus, Lapsana and Solidago
[Asteraceae] and Galeopsis [Lamiaceae] in Britain and Europe.
Widespread in England. Also recorded in the Republic of Ireland.
Widespread in Europe and recorded in Canada.
Liriomyza
eupatorii (Kaltenbach) [Diptera: Agromyzidae].
->
Mine long, linear, upper or lower surface, often adjoining a vein.
Puparium black
On
Eupatorium in Britain and elsewhere. Widespread in Britain
and Europe.
Phytomyza
eupatorii Hendel [Diptera: Agromyzidae].
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