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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Aulagromyza populicola (Haliday, 1853)
[Diptera: Agromyzidae]

Agromyza populicola Haliday, 1853, in Walker. Insecta Brit., Dipt. 2: 247
Agromyza populicola Haliday, 1853; Hendel, 1932. Fliegen palaearkt. Reg. 6(2): 289
Phytomyza pulcherrima Rydén, 1947. Opusc. ent. 12: 113
Phytomyza pulcherrima Rydén, 1947; Rydén, 1954. Opusc. ent. 19: 86
Paraphytomyza populicola (Haliday, 1853); Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 65
Paraphytomyza populicola (Haliday, 1853); Spencer, 1976. Fauna ent. Scand. 5(1): 322, figs 579-581.
Paraphytomyza populicola (Haliday, 1853); Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 81, 93.
Aulagromyza populicola (Haliday, 1853)


Leaf-mine: A shallow, greenish upper surface blotch-mine, which can be somewhat elongate but never obviously linear. Pupation external (Spencer, 1976: 321 (fig. 581), 322).

Irregular, yellowish green, upper-surface blotch. Pupation outside the mine; exit slit in upper epidermis. The exit slit is unusually long: from half to almost three quarters of a circle. Frass in rather few, coarse grains (Bladmineerders van Europa).

The mine is also illustrated in and British leafminers.

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.

The larva is described by de Meijere (1934) and illustrated in 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).

Dark brown; posterior spiracles each having two arms, with a total of some 20 bulbs (Spencer, 1976: 322).

Hosts in Great Britain & Ireland:

Salicaceae        
Populus       Mines in BMNH
Populus x canadensis Hybrid Black-poplar British Wild Flowers by John Somerville et al. Robbins, 1991: 89
Populus x canadensis Hybrid Black-poplar British Wild Flowers by John Somerville et al. British leafminers
Populus nigra Black-poplar British Wild Flowers by John Somerville et al. British leafminers
Populus nigra Black-poplar British Wild Flowers by John Somerville et al. Robbins, 1991: 89
Populus nigra Black-poplar British Wild Flowers by John Somerville et al. Spencer, 1972b: 119

Hosts elsewhere:

Salicaceae        
Populus       Spencer, 1990: 81, 93
Populus balsamifera Eastern Balsam-poplar   Bladmineerders van Europa
Populus x canadensis Hybrid Black-poplar British Wild Flowers by John Somerville et al. Spencer, 1972b
Populus candicans     Bladmineerders van Europa
Populus deltoides Necklace Poplar   Bladmineerders van Europa
Populus x euramericana     Bladmineerders van Europa
Populus nigra Black-poplar British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Populus nigra Black-poplar British Wild Flowers by John Somerville et al. Spencer, 1976: 320
Populus nigra 'Italica' Lombardy-poplar   Bladmineerders van Europa
Populus tremula Aspen British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - mines: September.

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Uncommon in Britain. Records include Buckinghamshire (Black Park) (Spencer, 1972b: 65) and Warwickshire (Foleshill) (Robbins, 1991: 89).

Also recorded in the Republic of Ireland (Martinez in Fauna Europaea).

NBN Grid Map:

NBN Grid Map

Aulagromyza populicola
NBN Grid Map : NBN Terms and Conditions

Maps are only displayed if the NBN server is active. N.B. Only publicly available records, if any, are shown by default

Distribution elsewhere: Widespread in continental Europe including Denmark, Germany (Spencer, 1976: 320), The Netherlands (Bladmineerders van Europa), Belgium, French mainland, Italian mainland, Lithuania and Poland (Martinez in Fauna Europaea).

Also recorded in Canada (Spencer, 1976: 320).

NBN Interactive Grid Maps of known host species:

Populus balsamifera, Populus candicans, Populus nigra, Populus nigra 'italica', Populus x canadensis

Parasitioids:

Chalcidoidea   
Chrysocharis nephereus (Walker, 1839) Eulophidae: Entedoninae
Chrysocharis nitetis (Walker, 1939) Eulophidae: Entedoninae
Chrysocharis pentheus (Walker, 1839) Eulophidae: Entedoninae
Chrysocharis viridis (Nees, 1934) Eulophidae: Entedoninae
Cirrospilus vittatus Walker, 1838 Eulophidae: Eulophinae
Closterocerus trifasciatus Westwood, 1933 Eulophidae: Entedoninae
Diglyphus chabrias (Walker, 1838) Eulophidae: Eulophinae
Pediobius metallicus (Nees, 1834) Eulophidae: Entedoninae


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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