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Paraphytomyza cornigera Griffiths, 1973b. Entomologist's Gaz. 24(4): 307
Paraphytomyza lonicerae (Robineau-Desvoidy, 1851); Spencer, 1972. Handbk ident. Br. Ins. 10(5g): 64-5. [Misidentification.]
Paraphytomyza cornigera Griffiths, 1973b; Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 238, 239 (fig. 895-6), 240, 242
Aulagromyza cornigera (Griffiths, 1973).

Leaf-miner: A long white mine. Pupation external (Spencer, 1972b: 62 (fig. 209), 65, as lonicerae).

Strongly widening, upper-surface, unbranched corridor; its first section usually follows the leaf margin for some distance. Pupation outside the mine; exit slit in upper epidermis (Bladmineerders van Europa).

Leaf mine is formed in the young tender leaf. Larva forming long white mine which widens (British leafminers).

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.

Posterior spiracles with a distinctive horn-like process within the ellipse of bulbs (Spencer, 1972b: 65, as lonicerae). The larvae are described Griffiths (1973), Dempewolf (2001: 166) and illustrated in Bladmineerders van Europa.

Aulagromyza cornigera larva, lateral Image: © Willem Ellis (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).

Posterior spiracles with a distinctive horn-like process within the ellipse of bulbs (Spencer, 1972b: 65, as lonicerae). The puparium is illustrated in Bladmineerders van Europa.

Aulagromyza cornigera puparium Image: © Willem Ellis (Bladmineerders van Europa)

Hosts in Great Britain and Ireland:

Caprifoliaceae
Leycesteria	formosa	Himalayan Honeysuckle		British leafminers
Lonicera				Robbins, 1991: 107
Lonicera	periclymenum	Honeysuckle		British leafminers
Lonicera	periclymenum	Honeysuckle		Griffiths, 1973b: 307
Lonicera	periclymenum	Honeysuckle		Mines in BMNH
Lonicera	periclymenum	Honeysuckle		Spencer, 1972b: 110, as lonicerae
Symphoricarpos				Robbins, 1991: 106
Symphoricarpos	albus (as rivularis)	Snowberry		British leafminers
Symphoricarpos	albus (as rivularis)	Snowberry		Spencer, 1972b: 110, as lonicerae

Hosts elsewhere:

Caprifoliaceae
Lonicera				Griffiths, 1973b
Lonicera				Griffiths, 1974
Lonicera				Spencer, 1990: 238
Lonicera	periclymenum	Honeysuckle		Bladmineerders van Europa
Lonicera	periclymenum	Honeysuckle		Dempewolf, 2001: 166
Lonicera	xylosteum	Fly Honeysuckle		Bladmineerders van Europa
Symphoricarpos				Griffiths, 1973b: 307
Symphoricarpos				Griffiths, 1974
Symphoricarpos	albus	Snowberry		Bladmineerders van Europa

Time of year - mines: May-June.

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Warwickshire (Exhall, Hartshill and Alvecote) (Robbins, 1991: 106-7) and Hampshire (Fleet) (British leafminers); East Norfolk, Glamorgan, Kintyre, Main Argyll, Merionethshire, Shropshire, and West Lancashire (NBN Atlas).

Ireland National Biodiversity Data Centre Map).

Distribution elsewhere: The Netherlands (Bladmineerders van Europa), Germany (Dempewolf, 2001: 166), French mainland, Poland and Spanish mainland (Fauna Europaea).

NBN Atlas links to known host species:

British and Irish Parasitoids in Britain and elsewhere: