The leaf and stem mines of British flies and other insects

(Coleoptera, Diptera, Hymenoptera and Lepidoptera)

by Brian Pitkin, Willem Ellis, Colin Plant and Rob Edmunds

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Thrypticus smaragdinus Gerstaecker, 1864
[Diptera: Dolichopodidae]

Thrypticus smaragdinus Gerstaecker, 1864. Stettin. ent. Ztg. 25: 44.

Leaf-mine: Details unknown.

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: Currently unknown.

Hosts elsewhere:

Phragmites       Dyte, 1993

Time of year - mines: Currently unknown.

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Added to British Checklist by Dyte (1993). East Norfolk (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe including Austria, Belgium, ? Bosnia and Herzegovina, Croatia, Czech Republic, Finland, French mainland, Germany, Hungary, ? Macedonia, ? Slovenia, Sweden, The Netherlands, Ukraine and ? Yugoslavia (Pollett, 2004 in Fauna Europaea).

NBN Atlas links to known host species:

Host species unknown

British and Irish Parasitoids in Britain and elsewhere: Unknown.

External links: Search the internet:
Biodiversity Heritage Library
Bladmineerders van Europa
British leafminers
Encyclopedia of Life
Fauna Europaea
NBN Atlas
NHM UK Checklist
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