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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Phytomyza ranunculicola Hering, 1949
[Diptera: Agromyzidae]


Phytomyza ranunculicola Hering, 1949d. Notul. ent. 29: 31
Phytomyza ranunculicola Hering, 1949d; Hering. 1957a. Bestimmunstabellen der Blattminen von Europa : 23
Phytomyza ranunculicola Hering, 1949d; Spencer, 1976. Fauna entomologica scandinaviaca 5(1): 482, 483 (figs 849-51).


Leaf-mine: A secondary blotch near the apex of a leaf segment which develops from short, adjoining sections of a linear mine. Pupation takes place in the mine (Spencer, 1976: 482).

A compact secondary blotch, without islets of unmined tissue. Mine without brown discoloration. Both primary and secondary feeding lines recognisable. Pupation within the leaf, in a lower-surface section of the mine (Bladmineerders van Europa).

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 by de Meijere (1950) and Hering (1954) ((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).

Yellow; posterior spiracles each with 12 well-defined bulbs, froming an almost complete circle (Spencer, 1976: 482).

Hosts in Great Britain & Ireland: Currently unknown.

Hosts elsewhere:

Ranunculaceae        
Ranunculus       Spencer, 1990: 22
Ranunculus acris Meadow Buttercup British Wild Flowers by John Somerville et al. Spencer, 1976: 482
Ranunculus acris Meadow Buttercup British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Ranunculus bulbosus Bulbous Buttercup British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - larvae: July (Hering, 1957).

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Added to the British checklist by Gibbs (2006a).

Distribution elsewhere: Widespread in continental Europe including Austria, Denmark, France, Germany (Spencer, 1976: 482), Belarus, Czech Republic, Estonia, Lithuania, Poland and Slovakia (Martinez in Fauna Europaea).

NBN Atlas links to known host species:

Ranunculus acris

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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