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 hammi Spencer, 1971
[Diptera: Agromyzidae]

Cerodontha (Poemyza) hammi Spencer, 1971a. Entomologist's Gaz. 22: 157
Cerodontha (Poemyza) hammi Spencer, 1971a; Spencer, 1972; Handbk ident. Br. Ins. 10(5g): 103 (fig. 350), 104
Cerodontha (Poemyza) hammi Spencer, 1971a; Spencer, 1976. Fauna ent. Scand. 5(1): 196-8, figs 345-6
Cerodontha (Poemyza) hammi Spencer, 1971a; Henshaw in Chandler, 1998. Handbk ident. Br. Ins. 12: 1-234.


Lifestyle: Currently unknown.

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.

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).

Brown; posterior spiracular processes adjoining, each with three bulbs (Spencer, 1972b: 103 (fig. 350), 104; Spencer, 1976: 197 (fig. 346)).

Comments: This species was synonymised with incisa (Meigen, 1830) by Spencer and Martinez (1987), but was restored to species rank by Henshaw in Chandler 1998: 140.

Hosts in Great Britain & Ireland: Grasses (Spencer, 1972b: 104).

Hosts elsewhere: Currently unknown. Not in Spencer, 1990.

Time of year - larvae: Currently unknown.

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Oxford (Oxford, Free Ferry Road) (Spencer, 1972b: 104).

NBN Grid Map:

NBN Grid Map

Cerodontha hammi
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Distribution elsewhere: Widespread in continental Europe including Denmark (Spencer, 1976: 197) and Germany (Martinez in Fauna Europaea).

NBN Interactive Grid Maps of known host species:

Host species unknown

British and Irish Parasitoids in Britain and elsewhere: Currently unknown.



External links: Search the internet:

Biodiversity Heritage Library
Bladmineerders van Europa
British leafminers
Encyclopedia of Life
Fauna Europaea
NBN Gateway
NHM UK Checklist

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