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


Phytomyza arnicae Hering, 1925
[Diptera: Agromyzidae]

Phytomyza arnicae Hering, 1925. Z. Morph. Okol. Tiere 4: 511
Phytomyza arnicae Hering, 1925; Spencer, 1976. Fauna ent. Scand. 5 (1): 384-5, fig. 670-1.
Phytomyza arnicae Hering, 1925; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 308, 309, 310 (fig. 1185).

Leaf-miner: Larva forming a short linear mine which develops into a large blotch (Spencer, 1976: 385 (fig. 671).

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.

Mandibles wth two teeth, only weakly alternating; no frontal appendage. Anterior spiracles with 10-13 bulbs, posterior spiacles with 15-20 bulbs, both in an irregular arc (de Meijere, 1928a, 1937a) (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).

Black; posterior spiracles each with an ellipse of 20 bulbs (Spencer, 1976: 385).

Hosts in Great Britain and Ireland: Currently unknown.

Hosts elsewhere:

Arnica       Spencer, 1990: 309
Arnica montana     Bladmineerders van Europa
Arnica montana     Spencer, 1976: 385

Time of year- larvae: Currently unknown.

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Added to the British checklist by Henshaw in Chandler, 1998.

Distribution elsewhere: Widespread in continental Europe including Sweden (Spencer, 1990: 308), Austria, Czech Republic, Germany, Poland and Switzerland (Fauna Europaea).

Also recorded in Canada (Spencer, 1990: 308).

NBN Atlas links to known host species:

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
Find using Google
Find using Google Scholar
Find images using Google

XHTML Validator
Last updated 16-Sep-2017 Brian Pitkin Top of page