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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Peucedanum ostruthium is treated as Imperatoria ostruthium (Masterwort) by Stace (2010).

Two British miners are recorded on Imperatoria.

Key for the identification of the known mines of British
insects (Diptera and non-Diptera) recorded on Imperatoria

1a > Leaf-miner: A large blotch, yellow or brown, preceded by a short corridor that in the end mostly is completely overrun. Generally several larvae share a mine. Especially in fresh mines the green primary and secondary feeding lines are well visible. Pupation outside the mine. Puparium yellow.

Euleia heraclei puparia
Euleia heraclei pupariria
Image: © Willem Ellis (Bladmineerders van Europa)

Polyphagous. On numerous genera of Apiaceae and possibly some Asteraceae, but not yet on Imperatoria, in Britain and elsewhere. Throughout the British Isles. Also recorded in the Republic of Ireland and most of the Palaearctic region, as far east as Afghanistan.

Euleia heraclei (Linnaeus, 1758) [Diptera: Tephritidae].

1b > Leaf-miner: A small regular blotch, which can be enlarged when several larvae feed together. Puparium black

Possibly on Pimpinella, but not yet on Imperatoria, in Britain. On Peucedanum and Pimpinella elsewhere. Possibly York, Berwicks and Warwick in Britain. Widespread in continental Europe.

Phytomyza pauliloewii Hendel, 1920 [Diptera: Agromyzidae].

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