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Cerodontha morosa Meigen, 1830. Syst. Beschr. 6: 170
Agromyza grossicornis Zetterstedt, 1860. Diptera Scandanaviae 14: 6456
Dizygomyza (Dizygomyza) morosa Meigen, 1830; Hendel, 1931. Fliegen palaearkt. Reg. 6(2): 90
?Genus? soenderupi Hering, 1941.
Dizygomyza soenderupi (Hering, 1941); Frey, 1950. Notul. ent. 30: 11, misidentification
Cerodontha (Dizygomyza) morosa Meigen, 1830; Nowakowski, 1967. Polskie Pismo ent. 37: 644
Cerodontha (Dizygomyza) soenderupi Hering, 1941; Nowakowski, 1972. Polskie Pismo ent. 42(4): 760, as a var. of morosa
Cerodontha (Dizygomyza) morosa Meigen, 1830; Nowakowski, 1972. Polskie Pismo ent. 42(4): 760
Cerodontha (Dizygomyza) morosa Meigen, 1830; Spencer, 1976. Fauna ent. Scand. 5(1): 218, fig. 377.
Cerodontha (Dizygomyza) morosa Meigen, 1830; Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 350 (fig. 1329), 351, 352
Cerodontha (Dizygomyza) gallica Nowakowski, 1967. Polskie Pismo ent. 37(4): 644
Cerodontha (Dizygomyza) gallica Nowakowski, 1967; Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 348, 351
Cerodontha islandica Griffiths 1968
Cerodontha graminiphila Garg, 1971.

Leaf-miner: Mines and larvae indistinguishable from C. suturalis. Mine relatively short and broad, not extending into leaf base. Pupation in the mine (Spencer, 1976: 218).

Long, upper-surface corridor, mainly in the central part of the blade. The mines descends, but changes direction a few times. Frass in one big lump. Pupation in 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 Nowakowski (1973).

Described by Hering (1926b), Nowakowski (1973) and Beri (1971b, as graminiphila). Posterior spiracles with 3 elongated bulbs; 2 of them are curved around the base of the spiracles. At least part of the descriptions by de Meijere (1928a, 1934a, 1938a) refer to other species (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).

Short and deeply segmented (Spencer, 1976: 218).

Hosts in Great Britain and Ireland: Currently unknown.

Hosts elsewhere:

Cyperaceae
Carex				Spencer, 1976: 218
Carex				Spencer, 1990: 351
Carex	acuta	Slender Tufted-sedge		Bladmineerders van Europa
Carex	acutiformis	Lesser Pond-sedge		Bladmineerders van Europa
Carex	brizoides			Bladmineerders van Europa
Carex	echinata	Star Sedge		Bladmineerders van Europa
Carex	elata	Tufted-sedge		Bladmineerders van Europa
Carex	hirta	Hairy Sedge		Bladmineerders van Europa
Carex	pallescens	Pale Sedge		Bladmineerders van Europa
Carex	panicea	Carnation Sedge		Bladmineerders van Europa
Carex	riparia	Greater Pond-sedge		Bladmineerders van Europa
Carex	rostrata	Bottle Sedge		Bladmineerders van Europa
Carex	vesicaria	Bladder-sedge		Bladmineerders van Europa
Carex	vulpina	True Fox-sedge		Bladmineerders van Europa

Time of year - larvae: May-June, possibly later a second generation (Bladmineerders van Europa).

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Added to British checklist by Henshaw in Chandler, 1998: 137. Recorded from Easterness, North Somerset and South-west Yorkshire (NBN Atlas).

Also recorded in the Republic of Ireland (Fauna Europaea).

Distribution elsewhere: Widespread in continental Europe (Spencer, 1990: 349) including Austria, Belarus, Canary Is., Czech Republic, Denmark, Estonia, Finland, French mainland, Germany, Hungary, Iceland, Italian mainland, Latvia, Lithuania, Madeira, Norwegian mainland, Poland, Slovakia, Spanish mainland, Sweden, Switzerland, The Netherlands and Ukraine (Fauna Europaea).

NBN Atlas links to known host species:

British and Irish Parasitoids in Britain and elsewhere: