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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Delia coronariae (Hendel, 1925)
[Diptera: Anthomyiidae]


Chortophila coronariae Hendel, 1925. Konowia 4: 305
Hylemyia striatula Karl, 1943. Stettin. ent. Ztg. 104: 71.
Hylemyia nudiventris Ringdahl, 1948. Opusc. ent. 13: 164
Delia paludosa d'Assis-Fonseca, 1966. Entomologist's mon. Mag. 101: 276.
Delia coronariae (Hendel, 1925).


Leaf-mine: Mine only in the leaf lamina (not the mid-rib). Mine not simultaneously blotch-like (on the upper side or under side) and with very fine frass grains. Mine not touching the midrib. Mine at least in places greenish in transmitted light when seen from either the dorsal side or ventral side. Frass plentiful, irregularly scattered throughout the mine. Pupation always external. The egg shell lies on the leaf surface at the beginning of the mine.

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).

Comments: Lychnis flos-cuculi is treated as Silene flos-cuculi (Ragged-Robin) by Stace (2010).

Hosts in Great Britain & Ireland:

Caryophyllaceae        
Lychnis       Pitkin & Plant in British leafminers
Lychnis flos-cuculi Ragged-Robin (stem) British Wild Flowers by John Somerville et al. Ackland in Chandler, 1978: 227

Hosts elsewhere:

Caryophyllaceae        
Cerastium semidecandrum     Bladmineerders van Europa
Lychnis       Hering, 1957
Lychnis       Bladmineerders van Europa
Lychnis flos-cuculi Ragged-Robin British Wild Flowers by John Somerville et al. Griffiths, 1982
Stellaria uliginosa     Bladmineerders van Europa

Time of year - adults: Currently unknown.

Time of year - mines: Currently unknown.

Distribution in Great Britain & Ireland: Recorded in Britain by Ackland (1978) including Cambridgeshire (VC29), Glamorganshire (VC41), North Somerset and West Gloucestershire (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe (Hering, 1957) including Germany (Griffiths, 1982), Austria, Czech Republic, Denmark, French mainland, Hungary, Italian mainland and Slovakia (Michelsen in Fauna Europaea).

Also recorded in the East Palaearctic and Nearctic Regions (Michelsen in Fauna Europaea).

NBN Atlas links to known host species:

Lychnis flos-cuculi (= Silene flos-cuculi)

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 Atlas
NHM UK Checklist
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