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(Coleoptera, Diptera, Hymenoptera and Lepidoptera)
by
Brian Pitkin, Willem Ellis, Colin Plant and Rob Edmunds
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EMEX.
Double Gee. [Polygonaceae]
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Two
species of Emex are recorded in Britain, both introduced.
Two British miners are recorded on Emex.
A key to the European miners recorded on Emex is provided in Bladmineerders van Europa.
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Key for the identification of the known mines of British
insects (Diptera and non-Diptera) recorded on Emex
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1a > Leaf-miner: Large upper side blotch or blister mine, which can start
with a short corridor. In small leaves the mine can be full depth
in places. Often several larvae in a mine; frass irregularly scattered
in large lumps. Pupation external. |
On Fallopia, Persicaria, Polygonum, Rumex and ? Begonia, but not yet on Emex, in Britain and in addition Begonia [Begoniaceae]
and other genera of Polygonaceae elsewhere. Widespread in Britain.
Also recorded in the Republic of Ireland. Widespread in continental Europe.
Also recorded in Morocco, Algeria, Tunisia, Syria, Israel, Korea,
China and Japan.
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Pegomya
bicolor (Wiedemann, 1817) [Diptera: Anthomyiidae]. |
1b > Leaf-miner: Linear mine, becoming a blotch. Two or more larvae feeding
together. Frass in lines. |
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Pegomya
solennis puparium
Image: © Willem Ellis (Bladmineerders van Europa) |
On
? Oxyria, ? Polygonum and Rumex, but not yet on Emex, in Britain
plus Emex and Persicaria elsewhere. Widespread in
Britain. Also recorded in the Republic of Ireland. Widespread
in continental Europe.
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Pegomya
solennis (Meigen, 1826) [Diptera: Anthomyiidae]. |
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