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(Coleoptera, Diptera, Hymenoptera and Lepidoptera)
by
Brian Pitkin, Willem Ellis, Colin Plant and Rob Edmunds
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OSMUNDA.
Royal fern. [Osmundaceae]
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Royal
fern (O. regalis) is the only species of the Osmunda
recorded in Britain. It is a native species.
Only one British miner is recorded on Osmunda.
A key to the European miners recorded on Osmunda is provided in Bladmineerders van Europa.
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Royal Fern
Osmunda regalis
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Key for the identification of the known mines of British
insects (Diptera and non-Diptera) recorded on Osmunda
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1 > Leaf-miner: Large full depth blotch, covering the entire distal part of a pinnula.
The mine begins near the top, where an elliptic egg shell is attached
to the underside of the rachis. Larva solitary. The mine contains
much frass.
An upperside blotch at the tip of a pinna lobe. |
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On Pteridium and Dryopteris, but not yet on Osmunda, in Britain. On additional other genera of ferns elsewhere. Widespread
in Britain and continental Europe. Also recorded in East Palaearctic
and Near East.
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Chirosia
histricina Rondani, 1866 [Diptera: Anthomyiidae]. |
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