Phytomyza albiceps Meigen, 1830
[Diptera:
Agromyzidae]
Phytomyza albicepsMeigen, 1830. Syst. Beschr. 6: 194
Phytomyza rydeniana Hering, 1949a. Opusc. ent. 14:
159. [Synonymised by Spencer, 1976: 372]
Phytomyza rydeniana Hering, 1949a; Spencer, 1972b. Handbk
ident. Br. Ins. 10(5g): 95, 96, 112, fig. 233B
Phytomyza albiceps Meigen, 1830; Spencer, 1976. Fauna
ent. Scand. 5(1): 372, figs 646, 647A.
Phytomyza albiceps Meigen, 1830; Spencer, 1990. Host
specialization in the World Agromyzidae (Diptera) : 163, 251,
255, 256 (fig. 958), 305.
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Leaf-miner: Long,
irregular, whitish linear mine which turns brown when older and
has conspicuous frass in large widely-spaced black lumps. Pupation
external (Spencer, 1976:
371 (fig. 647A), 372).
Very
long, initially whitish, later brownish, upper-surface corridor,
frequently starting near the leaf tip, often crossing itself. Frass
in strikingly large black lumps, more widely spaced than their own
diameter. Pupation outside the mine; exit slit in upper epidermis
(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).
Posterior spiracles each with 25 or more bulbs (Spencer,
1976: 372).
Hosts in Great Britain and Ireland:
Hosts
elsewhere:
Time
of year - mines: June-October.
Time
of year - adults: Currently unknown.
Distribution
in Great Britain and Ireland: A boreal alpine species not
known to occur south of Yorkshire. Britain including Yorkshire
(Malham Tarn), Northumberland (Bamburgh) and Perth (Killin) (Spencer, 1972b). Distribution elsewhere: Widespread in continental Europe including Denmark, Finland, Norway, Sweden
(Spencer, 1976: 372), Belgium
(de Bruyn and von
Tschirnhaus, 1991), Germany (Spencer,
1976: 566), Austria, Czech Republic, French mainland, Hungary,
Poland, Romania and Spanish mainland (Fauna Europaea).
NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere:
Chalcidoidea |
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Chrysocharis
gemma (Walker, 1839) |
Eulophidae: Entedoninae |
Cyrtogaster
vulgaris Walker, 1833 |
Pteromalidae: Pteromalinae |
Pachyneuron
muscarum (Linnaeus, 1758) |
Pteromalidae: Pteromalinae |
Stenomalina
gracilis (Walker, 1834) |
Pteromalidae: Pteromalinae |
Sphegigaster stepicola Boucek, 1965 |
Pteromalidae: Pteromalinae |
Ichneumonoidea - Links to species no longer available |
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Chorebus
alecto (Morley, 1924) |
Braconidae: Alysiinae |
Chorebus
didas (Nixon, 1944) |
Braconidae: Alysiinae |
Chorebus ovalis (Marshall, 1896) |
Braconidae: Alysiinae |
Chorebus
senilis (Nees, 1812) |
Braconidae: Alysiinae |
Coloneura
stylata Förster, 1862 |
Braconidae: Alysiinae |
Dacnusa
areolaris (Nees, 1811) |
Braconidae: Alysiinae |
Dacnusa
maculipes Thomson, 1895 |
Braconidae: Alysiinae |
Dacnusa
ocyroe Nixon, 1937 |
Braconidae: Alysiinae |
Dacnusa temula (Haliday, 1839) |
Braconidae: Alysiinae |
Exotela
cyclogaster Förster, 1862 |
Braconidae: Alysiinae |
Bracon
caudatus Ratzeburg, 1848 |
Braconidae: Braconinae |
Colastes
braconius Haliday, 1833 |
Braconidae: Exothecinae |
Eurytenes
polyzonius Wesmael, 1835 |
Braconidae: Opiinae |
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