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CALLITRICHE. Water star-worts. [Callitrichaceae]

Eight species of Callitriche are recorded in Britain. These include Autumnal Water-starwort (C. hermaphroditica), Blunt-fruited Water-starwort (C. obtusangula), Common Water-starwort (C. stagnalis), Intermediate Water-starwort (C. hamulata), Narrow-fruited Water-starwort (C. palustris), Pedunculate Water-starwort (C. brutia), Short-leaved Water-starwort (C. truncata), Various-leaved Water-starwort (C. platycarpa) and C. truncata occidentalis. All are native species.

Only one British miner is recorded on Callitriche.

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

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

1 > Leaf-miner: Larva makes short, straight mines, with little frass. The larva crosses from leaf to leaf through the stem. It pupates in the stalk, rarely in the leaf.

On Callitriche and Hydrocharis in Britain or elsewhere (records ambiguous), Stratiotes in Britain and Potomegeton elsewhere. Recorded from Cambridge, East Suffolk, North Essex, West Norfolk and West Suffolk in Britain and Widespread in continental Europe.

Hydrellia cochleariae Haliday, 1839 [Diptera: Ephydridae].