Agromyza
lamii Kaltenbach, 1858. Verh. naturh. Ver. preuss. Rheinl.
15: 78
Amauromyza lamii (Kaltenbach, 1858); Spencer, 1990. Host
specialization in the world Agromyzidae (Diptera) : 204, 205,
249, 320.
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Leaf-miner: Initially
a long, slim corridor, the frass alternating on either the side
of the corridor. After moulting, the larva broadens the mine and
the frass is less regular. 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.
The larva is described by Dempewolf (2001a) and de Meijere (1934). Rear spiraculum with three bulbs; the posterior one not conspicuously enlarged or curved; this separates both A. lamii and morionella from A. labiatarum, by far the commonest Amauromyza on Lamiaceae (Bladmineerders van Europa).
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).
The posterior spiracular pore on the posterior spiracle is a little
larger than the other two and strongly bent (Bladmineerders van Europa).
Comments:
The British record on Glechoma (Robbins, 1991: 103) is considered
unlikely to be correct (Henshaw in Chandler,
1998: 139).
Stachys
officinalis is treated as Betonica
officinalis (Betony) by Stace (2010).
Hosts in Great Britain and Ireland: Currently unknown.
Hosts
elsewhere:
Time
of year - mines:
May-July and August-October (Bladmineerders van Europa).
Time
of year - adults: Currently unknown.
Distribution
in Great Britain and Ireland: The record on Glechoma
from Warwickshire (Kingsbury Wood) (Robbins,
1991: 103) is considered unlikely to be correct (Henshaw in
Chandler, 1998). Distribution
elsewhere: Widespread in continental Europe including The Netherlands,
Luxembourg (Bladmineerders van Europa), Belgium (de
Bruyn and von Tschirnhaus, 1991), Austria, Czech Republic,
Germany, Poland, Republic of Moldova, Romania and Slovakia (Fauna Europaea).
NBN Atlas links to known host species:
Ajuga
reptans, Ballota
nigra, Galeopsis
tetrahit, Glechoma
hederacea, Lamiastrum
galeobdolon, Lamium
album, Lamium
maculatum, Lamium
purpureum, Leonurus
cardiaca, Marrubium
vulgare, Melittis
melissophyllum, Stachys
alpina, Scutellaria
columnae, Stachys
officinalis (= Betonica
officinalis), Stachys
palustris, Stachys
sylvatica
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British and Irish Parasitoids in Britain and elsewhere:
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