Larvae feeding in seed-head and stem, pupating externally (Spencer, 1972b: 77).
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).
Hosts in Great Britain & Ireland:
of year - larvae: Currently unknown.
of year - adults: Currently unknown.
in Great Britain & Ireland: Local but probably Widespread in Britain including Hertfordshire (nr. Ivinghoe), Huntingdonshire (Leckford)
(Spencer, 1972b: 77) and
North Hampshire (NBN
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Distribution elsewhere: Widespread in continental Europe including European Turkey, French mainland,
Germany, Hungary, Italian mainland, Malta, Sicily, Spanish mainland
and The Netherlands (Martinez in Fauna Europaea).
recorded in western Asia (Spencer,
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British and Irish Parasitoids in Britain and elsewhere: