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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NYMPHOIDES. Fringed Water-Lily. [Menyanthaceae]

Only one species of Nymphoides, the Fringed Water-lily (N. peltata), is recorded in Britain. It is a native species.

Only one British miner is recorded on Nymphoides.

A key to the European miners recorded on Nymphoides is provided in Bladmineerders van Europa.

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

1 > Tunneler: The larvae of a number of species of Chironomidae (non-biting midges) live in tunnels in decaying leaf sheaths under water. Their tunnels are open at both ends, and the larvae feed on particles they obtain from a water current they create in the tunnels. They do not feed on tissues of their 'hostplant' and therefore are not strictly miners (Bladmineerders van Europa).

On ? Polygonum and ? Potamogeton, but not yet on Nymphoides, in Britain and Glyceria, Nuphar, Nymphoides and Potamogeton elsewhere. Widespread in continental Europe. Also recorded in the Republic of Ireland.

Cricotopus trifasciatus (Meigen, 1813) [Diptera: Chironomidae].

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