• HOME
• About
  • Acknowledgements
  • Introduction
  • Methods
  • Morphology
  • Recent Changes
• Checklists
• Genus Index
• Species Index
• Keys
  • By Host Plant Genus
  • By Host Plant Common Name
  • To Liromyza species in Glasshouse and/or Quarantine Interceptions
• Parasitoids
• References
• Resources
• Search

Agromyza luctuosa Meigen, 1830. Syst. Beschr. 6: 182
Dizygomyza effusi Karl, 1926. Stettin ent. Ztg. 87: 136
Cerodontha (Dizygomyza) luctuosa (Meigen, 1830); Nowakowski, 1962. Annls zool., Warsz. 20: 135
Cerodontha (Dizygomyza) luctuosa (Meigen, 1830); Nowakowski, 1967. Polskie Pismo ent. 37: 640
Cerodontha (Dizygomyza) luctuosa (Meigen, 1830); Nowakowski, 1972. Polskie Pismo ent. 42(4): 757
Cerodontha (Dizygomyza) luctuosa (Meigen, 1830); Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 101
Cerodontha (Dizygomyza) luctuosa (Meigen, 1830); Spencer, 1976. Fauna ent. Scand. 5(1): 214-7, figs 370-4.
Cerodontha (Dizygomyza) luctuosa (Meigen, 1830); Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 331, 345, 346 (figs 1304-6), 351.

Leaf-miner: Elongated, mainly interparenchymal mine in the part of the stem above the flower stalk. Frass in one large mass. Pupation internal (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 (1934) and Nowakowski (1973). Posterior spiracles with 3 clawlike bulbs. Also de Meijere (1928a, 1934a, 1941a, 1950a) discussed and described the larva (partly as als effusi) but part of his material comes from Carex hirta and refers to Cerodontha hirtae Nowakowski.

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).

The early generation puparium is pale yellowish, that of the overwintering generation darker, reddish brown (Spencer, 1976: 216, 215 (fig. 373)).

Hosts in Great Britain and Ireland:

Juncaceae
Juncus	effusus	Soft rush		Robbins, 1991: 127
Juncus	effusus	Soft rush		Spencer, 1972b: 125

Hosts elsewhere:

Juncaceae
Juncus	articulatus	Jointed Rush		Bladmineerders van Europa
Juncus	bufonius	Toad Rush		Bladmineerders van Europa
Juncus	conglomeratus	Compact Rush		Bladmineerders van Europa
Juncus	effusus	Soft rush		Bladmineerders van Europa
Juncus	effusus	Soft rush		Spencer, 1990: 345
Juncus	inflexus	Hard Rush		Bladmineerders van Europa

Time of year - mines: June to September; hibernation as puparium in the mine (Bladmineerders van Europa).

Time of year - adults: June-September.

Distribution in Great Britain and Ireland: Widespread in Britain including Hampshire (New Forest), Somerset (Radstock), Cambridgeshire (Chippenham Fen), Chester (Rostherme). Merionethshire (Barmouth), Aberdeenhire (Balmoral Forest), Banff (Falls of Tarnash and Glen of Drumloch) (Spencer, 1972b: 101), Warwickshire (Coleshill and Bedworth) (Robbins, 1991: 127); Caernarvonshire, Cambridgeshire, Denbighshire, East Cornwall, East Kent, East Suffolk, Easterness, Glamorgan, Merionethshire, Middlesex, North Somerset, Northamptonshire, Shropshire, South Lancashire, South-west Yorkshire and Surrey (NBN Atlas).

Also recorded in Ireland (Spencer, 1972b: 101).

Distribution elsewhere: Widespread and frequently common in much of Europe including Denmark, Finland, Norway, Sweden (Spencer, 1976: 216), The Netherlands (Bladmineerders van Europa), Belgium (de Bruyn and von Tschirnhaus, 1991), Germany (Spencer, 1976: 554), Austria, Belarus, Czech Republic, French mainland, Hungary, Italian mainland, Lithuania, Poland, Sicily, Slovakia and Spanish mainland (Fauna Europaea).

Also recorded in the U.S.A. and Canada (Spencer, 1969a: 120).

NBN Atlas links to known host species:

British and Irish Parasitoids in Britain and elsewhere: