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

N.B. Links to the latest version of 'Leafminers and plant galls of Europe' are being edited

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Phytomyza nigritula Zetterstedt, 1838
[Diptera: Agromyzidae]


Phytomyza nigritula Zetterstedt, 1838. Insecta Lapponica: 793
Phytomyza cineracea Hendel, 1920. Arch. Naturgesch. 84A(7) (1918): 166
Phytomyza cineracea Hendel, 1920; Hendel, 1935. Fliegen palaearkt. Reg. 6(2): 376
Phytomyza nigrigenis Hering, 1937b. Mitt. dt. ent. Ges. 8(6-7): 76. [Synonymised by Spencer, 1976: 341]
Phytomyza cineracea Hendel, 1920; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 71, 81, 95
Napomyza nigritula (Zetterstedt, 1828); Spencer, 1976. Fauna ent. Scand. 5(1): 341-3, figs 622-3.
Napomyza nigritula (Zetterstedt, 1828); Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 21, 38, 39 (fig. 129), 50
Phytomyza nigritula Zetterstedt, 1838; Zlobin, 1994. Dipterological Research 5: PAGE.


Stem-borer: Larva feeding as internal stem-borer (Spencer, 1972b: 95, as Phytomyza cineracea).

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).

Elongate, slightly tapering, pale brown; posterior spiracles scarcely raised, each with an ellipse of 16-25 bulbs (Spencer, 1976: 342).

Hosts in Great Britain & Ireland:

Ranunculaceae        
Ranunculus       Pitkin & Plant, as Napomyza
Ranunculus acris Meadow Buttercup British Wild Flowers by John Somerville et al. Spencer, 1972b: 118, as cineracea
Ranunculus lanuginosus Wooly Buttercup   Spencer, 1972b: 119, as cineracea
Ranunculus repens Creeping Buttercup British Wild Flowers by John Somerville et al. Spencer, 1972b: 119, as cineracea

Hosts elsewhere:

Ranunculaceae        
Ranunculus       Spencer, 1976: 342
Ranunculus       Spencer, 1990: 21
Ranunculus flammula Lesser Spearwort British Wild Flowers by John Somerville et al. Spencer, 1976: 342

Time of year - mines: Currently unknown.

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Widespread. Berkshire (Newbury), Wiltshire (Gastard), Lincoln (Crowland), Inverness (Aviemore) and Perth (Fontingall) (Spencer, 1972b: 91, as cineracea); East Suffolk (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe including Denmark, Sweden, Norway, Finland, France, Iceland (Spencer, 1976: 342), Germany (Spencer, 1976: 566), Austria, Belarus, Czech Republic, Estonia, Lithuania, Poland and Switzerland (Martinez in Fauna Europaea).

Also recorded in Canada (Spencer, 1976: 342).

NBN Atlas links to known host species:

Ranunculus acris, Ranunculus flammula, Ranunculus repens

British and Irish Parasitoids in Britain and elsewhere:

Chalcidoidea  
Pachyneuron muscarum (Linnaeus, 1758) Pteromalidae: Pteromalinae
Stenomalina gracilis (Walker, 1834) Pteromalidae: Pteromalinae
Ichneumonoidea  
Opius pendulus Haliday, 1837 Braconidae: Opiinae


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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