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Cerodontha calamagrostidis Nowakowski, 1967
[Diptera: Agromyzidae]

Cerodontha (Poemyza) calamagrostidis Nowakowski, 1967. Polskie Pismo ent. 37(4): 648
Poemyza spenceri Nowakowski, 1967. Polskie Pismo ent. 37(4): 648. [Synonymised by Zlobin, 1985]
Poemyza tschirnhausi Nowakowski, 1972. Polskie Pismo ent. 42(4): 744. [Synonymised by Zlobin, 1985]
Cerodontha (Poemyza) calamagrostidis Nowakowski, 1967; Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 354, 367, 368 (fig. 1377).

Leaf-mine: Lower-surface corridor; larva solitary. Pupation mostly outside 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 Dempewolf (2001: 122).

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).

Hosts in Great Britain and Ireland:

Hosts elsewhere:

Poaceae
Alopecurus				Nowakowski, 1973
Alopecurus				Spencer, 1990: 354
Alopecurus	pratensis	Meadow Foxtail		Bladmineerders van Europa
Calamagrostis				Nowakowski, 1973
Calamagrostis				Spencer, 1990: 354
Calamagrostis	canescens	Purple Small-reed		Bladmineerders van Europa
Calamagrostis	epigejos	Wood Small-reed		Bladmineerders van Europa

Time of year - larvae: June-August, rarely September (Bladmineerders van Europa).

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Cambridgeshire (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe including Germany (Bladmineerders van Europa), Austria, Czech Republic, Estonia, Finland, French mainland, Hungary, Lithuania, Poland, Slovakia and Sweden (Martinez in Fauna Europaea).

Also recorded in Canada (Spencer, 1969a: 128).

NBN Atlas links to known host species:

British and Irish Parasitoids in Britain and elsewhere: