origani Hering, 1931
origani Hering, 1931b. Z. PflKrankh. 41: 549
Phytomyza origani Hering, 1931b; Nowakowski, 1959. Dt.
ent. Z.  6: 197
Phytomyza origani Hering, 1931b; Spencer, 1972b. Handbk
ident. Br. Ins. 10(5g): 86
Phytomyza origani Hering, 1931b; Spencer, 1976. Fauna ent. Scand. 5(1): 464, figs 812-3.Handbk ident. Br. Ins.
Phytomyza origani Hering, 1931b; Spencer, 1990. Host
specialization in the World Agromyzidae (Diptera) : 205, 209.
beginning with small spiral, followed by a linear section to the
margin of the leaf where a dark blotch is formed. Pupation internal
(Spencer, 1972b: 86 (fig.
292), 90; Spencer, 1976:
464, 465 (fig. 813)).
a corridor mine. It begins as a tiny upper-surface spiral. The corridor
at this point is so narrow and closely wound that it rather resembles
a simple spot. Next follows a simple corridor running towards the
leaf tip, often following the leaf margin for some distance. In
the leaf apex a quite long corridor is made, while the mine is laid
in loops that are so close that a secondary blotch results, with
prominent secondary feeding lines. The final section of the mine
again is a simple corridor, in the end of which pupation takes place.
Before pupating the larva already has made a semicircular slit in
the epidermis. Not infrequently the puparium falls out (Hering,
1957) - see Bladmineerders van Europa.
The initial mine is a small spiral. The mine then follows the edge of the leaf and a dark blotch is formed. Pupation is within the mine (British
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 Nowakowski (1959).
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).
Yellowish; posterior spiracles each with 13-17 bulbs (Spencer,
Hosts in Great Britain & Ireland:
of year - mines: June-July, October.
of year - adults: October and spring the following year.
in Great Britain & Ireland: Widespread at least in south.
Kent (Otford), Surrey (Box Hill), Somerset (Cheddar), Derby (Miller's
Dale) (Spencer, 1972b: 90),
East Perth (Kinnoull Hill), Fife (Aberdour - vacated mines) (Bland,
1994c: 83); North Somerset and South Wiltshire (NBN
recorded in the Republic of Ireland (Martinez in Fauna Europaea).
NBN Grid Map:
elsewhere: Widespread in continental Europe including Denmark
(Spencer, 1976: 464), The
Netherlands, Germany (Bladmineerders van Europa), Belgium, Estonia, ? French mainland, Hungary, Italian
mainland, Lithuania, Madeira, Norwegian mainland, Poland, Spanish
mainland and Sweden (Martinez in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: