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 biseta (Hendel, 1920)
[Diptera: Agromyzidae]

Dizygomyza biseta Hendel, 1920. Arch. Naturgesch. 84A(7) (1918): 135
Dizygomyza crassinervis Frey, 1946. Notul. ent. 26: 47.
Cerodontha (Xenophytomyza) biseta (Hendel, 1920); Frey, 1946. Notul. ent. 26: 51
Dizygomyza crassinervis Frey, 1946; Nowakowski, 1967. Polskie Pismo ent. 37: 655
Cerodontha (Xenophytomyza) biseta (Hendel, 1920); Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 106
Cerodontha (Xenophytomyza) biseta (Hendel, 1920); Spencer, 1976. Fauna ent. Scand. 5(1): 181-2, figs 323-4.
Cerodontha (Xenophytomyza) biseta (Hendel, 1920); Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 367.


Lifestyle: 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).

Hosts in Great Britain & Ireland: Currently unknown.

Hosts elsewhere: Currently unknown.

Comments: Xenophytomyza species 'must be grass-feeders' (Spencer, 1990: 367).

Time of year - larvae: Currently unknown.

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Widespread in Britain including Denbighshire (Cefn-y-bedd) (Spencer, 1972b); Carmarthenshire (VC44), East Kent (VC15), Glamorganshire (VC41), Huntingdonshire (VC31), North Somerset (VC6), Northamptonshire (VC32), Stafford and West Kent (NBN Gateway).

Also recorded in the Republic of Ireland: Co. Clare (Spencer, 1972b: 106).

Distribution elsewhere: Widespread in continental Europe including Denmark, Finland. Sweden (Spencer, 1976: 182), Germany (Spencer, 1976: 550), Austria, Bulgaria, Czech Republic, French mainland, Hungary, Latvia, Lithuania, Poland, Slovakia, Spanish mainland, Switzerland and Yugoslavia (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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