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


Napomyza tripolii Spencer, 1966
[Diptera: Agromyzidae]

Napomyza tripolii Spencer, 1966b. Proc. R. ent. Soc. Lond. (B) 35: 36
Napomyza tripolii Spencer, 1966b; Spencer, 1972e. Handbk ident. Br. Ins. 10(5g): 68, 111
Napomyza tripolii Spencer, 1966b; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 274, 280 (fig. 1072), 281
Phytomyza (Napomyza) asteroides Winkler, 2009. Syst. ent. 34: 261. Nom nov. for Napomyza tripolii Spencer, 1966b, preoccupied by Phytomyza tripolii de Meijere, 1924.

Stem-borer: Larva feeding as an internal stem-borer (Spencer, 1972b: 68).

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 and Ireland:

Aster tripolium Sea Aster British Wild Flowers by John Somerville et al. Spencer, 1972b: 111

Hosts elsewhere:

Aster       Spencer, 1990: 274

Time of year - larvae: Currently unknown.

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Probably widespread on salt marshes including Kent (Faversham) (Spencer, 1972b: 68); Glamorgan (NBN Atlas).

Also recorded in the Republic of Ireland (Fauna Europaea).

Distribution elsewhere: Widespread in continental Europe including Germany (Spencer, 1990: 281), Denmark and Spanish mainland (Fauna Europaea).

NBN Atlas links to known host species:

Aster tripolium

British and Irish Parasitoids in Britain and elsewhere: Currently 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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