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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Liriomyza polygalae Hering, 1927
[Diptera: Agromyzidae]


Liriomyza polygalae Hering, 1927c. Z. angew, Ent. 13: 183
Liriomyza polygalae Hering, 1927c; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 51 (fig. 169), 54, 118
Liriomyza polygalae Hering, 1927c; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 149 (fig. 566), 150, 156.


Leaf-mine: An irregular linear-blotch mine (Spencer, 1972b: 54).

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:

Polygalaceae        
Polygala vulgaris Common Milkwort British Wild Flowers by John Somerville et al. Spencer, 1972b: 118

Hosts elsewhere:

Polygalaceae        
Polygala chamaebuxus Shrubby Milkwort   Bladmineerders van Europa
Polygala vulgaris Common Milkwort British Wild Flowers by John Somerville et al. Spencer, 1990: 150

Time of year - mines: Currently unknown.

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Surrey (Box Hill) (Spencer, 1972b: 54). (NBN Atlas)

Also recorded in the Republic of Ireland: Co. Clare (Spencer, 1972b: 54).

Distribution elsewhere: Widespread in continental Europe (Spencer, 1990: 150) including Germany, Italian mainland, Poland and Switzerland (Martinez in Fauna Europaea).

NBN Atlas links to known host species:

Polygala vulgaris

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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