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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Chromatomyia succisae (Hering, 1922)
[Diptera: Agromyzidae]


Phytomyza succisae Hering, 1922. Dt. ent. Z. 1922: 425
Phytomyza succisae Hering, 1922; Hendel, 1935. Fliegen palaearkt. Reg. 6(2): 485
Phytomyza succisae Hering, 1922; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 94, 116
Phytomyza succisae Hering, 1922; Spencer, 1976. Fauna ent. Scand. 5(1): 509-10, figs 890-3.
Chromatomyia succisae (Hering, 1922); Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 243 (figs 919-20), 244.
Phytomyza succisae Hering, 1922; Winkler et al. 2009. Syst. ent. 34: 260-292.


Leaf-mine: A narrow winding linear mine generally near the apex of the leaf which assumes a striking purplish colour, making the mine itself difficult to detect. Mines have also been found in the sepals. Pupation takes place in a pupariuml cradle on the lower surface (Spencer, 1976: 510).

Very long, often branched corridor, narrow till very end, for much of its length lower-surface, mostly in the apical part of the leaf. The corridor frequently intersects itself. Frass in discrete grains. Pupation in the mine, Around the mine the leaf almost always turns violet (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 (1926) and Hering (1955a).

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).

White (Spencer, 1976: 510; and Bladmineerders van Europa).

Hosts in Great Britain & Ireland:

Dipsacaceae        
Succisa       Mines in BMNH
Succisa       Robbins, 1991: 108
Succisa pratensis Devil's-bit Scabious British Wild Flowers by John Somerville et al. Spencer, 1972b: 116
Succisa pratensis Devil's-bit Scabious British Wild Flowers by John Somerville et al. Bland, 1992

Hosts elsewhere:

Dipsacaceae        
Dipsacus       Spencer, 1990: 244
Knautia       Spencer, 1990: 244
Knautia arvensis Field Scabious British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Scabiosa       Spencer, 1990: 244
Scabiosa columbaria Small Scabious British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Succisa       Spencer, 1990: 244
Succisa pratensis Devil's-bit Scabious British Wild Flowers by John Somerville et al. Spencer, 1976: 410
Succisa pratensis Devil's-bit Scabious British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - mines: July-August.

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Widespread in Britain including Middlesex (Scratch Wood), Huntingdonshire (Woodwalton Fen), Glam (Neath Vale) (Spencer, 1972b: 94), Inner Hebrides (Isle of Coll) (Bland, 1992) and Warwickshire (Robbins, 1991: 108). Breconshire (NBN Atlas).

Also recorded in the Republic of Ireland: Co. Clare (Poulavallan) and Co. Kerry (Killarney) (Spencer, 1972b: 94).

Distribution elsewhere: Widespread in continental Europe Denmark, Germany (Spencer, 1976: 510), French mainland, Italian mainland, Lithuania, Poland and The Netherlands (Martinez in Fauna Europaea).

NBN Atlas links to known host species:

Knautia arvensis, Scabiosa columbaria, Succisa pratensis

British and Irish Parasitoids in Britain and elsewhere:

Ichneumonoidea  
Chorebus tanis (Nixon, 1945) Braconidae: Alysiinae
Dacnusa maculipes Thomson, 1895 Braconidae: Alysiinae
Dacnusa metula (Nixon, 1954) Braconidae: Alysiinae
Phaedrotoma diversa Szépligeti, 1898 Braconidae: Opiinae
Phaedrotoma depeculator (Förster, 1862) Braconidae: Opiinae
Phaedrotoma diversa (Szépligeti, 1898) 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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