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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Cerodontha staryi (Starý, 1930)
[Diptera: Agromyzidae]

Cerodontha staryi (Starý, 1930)


Leaf-mine: Mine upper-surface, sometimes locally interparenchymatous, in the basal half of the leaf. The mine is more or less a a corridor (but may sometimes occupy the entire width of the leaf), doubles at least twice, and often ends in the leaf sheath. All frass in one large lump. Puparium in the mine; often the rear spiracula penetrate the epidermis. (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.

(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).

Yellowish brown, rather smooth and shiny, segment limits shallow (Bladmineerders van Europa).

Hosts in Great Britain and Ireland: Unknown.

Hosts elsewhere:

Cyperaceae        
Carex pallens     Bladmineerders van Europa
Carex sylvatica     Bladmineerders van Europa
? Carex remota     Bladmineerders van Europa

Time of year - mines: Larvae in two generations, May – June and September – November (sometimes December) (Nowakowski, 1973a) (Bladmineerders van Europa).

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Unknown.

Distribution elsewhere: From Germany and Poland to Austria and Hungary (Fauna Europaea, 2010); also Britain (Gibbs, 2005a) (Bladmineerders van Europa).

NBN Atlas links to known host species:

Carex pallens, Carex sylvatica

British and Irish Parasitoids in Britain and elsewhere: Unknown.



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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