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Hydrellia griseola (Fallén, 1813) [Diptera: Ephydridae] Notiphila griseola Fallén, 1813. K. svenska. VetensAkad. Handl. (3) 1813: 250. Notiphila obscura Meigen, 1830. Syst. Beschr. 6: 67. Notiphila chrysostoma Meigen, 1830. Syst. Beschr. 6: 67.

Leaf-mine: Irregularly formed mine, very shallow and as a result, whitish in colour. In broad leaved plants frequently star-shaped and sometimes a very shallow corridor. In grasses the mine frequently starts in the leaf sheath. The frass is finely grained, initially irregularly spread, later in clumps. The larva may mine more than one leaf. Pupation in separate mine (sometimes even on another plant) without frass. The mine is illustrated in Nederlandse bladmineerders. Mine of Hydrellia griseola on Glyceria fluitans. Image: Willem Ellis (Source: Nederlandse bladmineerders) Larva: Details unknown. Puparium: Whitish to dark grey. The puparium is illustrated by Ellis (Nederlandse bladmineerders). Comments: A polyphagous species recorded mainly from Poaceae and Cyperaceae, but also recorded from Liliaceae, Typhaceae, Asteraceae, Alismataceae, Brassicaceae, Caryophyllaceae, Chenopodiaceae, Hydrocharitaceae, Lamiaceae, Lemnaceae, Papaveraceae, Fabaceae, Polygonaceae, Scrophulariaceae and Verbenaceae. However, it may be that the true hosts are all grasses or sedges and that other records represent pupation sites! Hosts in Britain: Alismataceae       Alisma plantago-aquatica Water-plantain Irwin, 1978: 225 Alisma plantago-aquatica Water-plantain Irwin, 1978: 225, as chrysostoma Damasonium     Irwin, 1978: 225 Sagittaria     Irwin, 1978: 225 Asteraceae       Bellis     Irwin, 1978: 225 Bellis perennis Daisy Pitkin, in Pitkin & Plant, 2005 Caryophyllaceae       Lychnis flos-cuculi Ragged-Robin Irwin, 1978: 225 Stellaria     Pitkin, in Pitkin & Plant, 2005 Stellaria media Common Chickweed Irwin, 1978: 225 Cyperaceae       Carex     Irwin, 1978: 225 Cyperus     Irwin, 1978: 225 Scirpus     Irwin, 1978: 225 Hydrocharitaceae       Hydrocharis morsus-ranae Frog-bit Irwin, 1978: 225 Stratiotes     Pitkin, in Pitkin & Plant, 2005 Stratiotes aloides Water-soldier Irwin, 1978: 225 Lamiaceae       Lamium purpureum Red Dead-nettle Irwin, 1978: 225 Lemnaceae       Lemna     Pitkin, in Pitkin & Plant, 2005 Lemna minor Common Duckweed Irwin, 1978: 225 Liliaceae       Allium cepa Onion Irwin, 1978: 225 Allium porrum Leek Irwin, 1978: 225 Poaceae       Arrhenatherum     Robbins, 1991: 140 Polygonaceae       Polygonum     Irwin, 1978: 225 Potomogetonaceae       Potamogeton     Pitkin, in Pitkin & Plant, 2005 Potamogeton lucens Shining Pondweed Irwin, 1978: 225, as chrysostoma Scrophulariaceae       Veronica     Irwin, 1978: 225 Tropaeolaceae       Tropaeolum     Pitkin, in Pitkin & Plant, 2005 Tropaeolum majus Nasturtium Irwin, 1978: 225 Typhaceae       Typha     Pitkin, in Pitkin & Plant, 2005 Typha latifolia Bulrush Irwin, 1978: 225 Hosts elsewhere: Asteraceae       Bellis     Hering, 1957a Caryophyllaceae       Lychnis     Hering, 1957a Cyperaceae       Carex     Nederlandse bladmineerders Carex     Hering, 1957a Fabaceae       Trifolium     Hering, 1957a Lamiaceae       Lamium     Hering, 1957a Lemnaceae       Lemna minor Common Duckweed Irwin, 1978 Liliaceae       Allium     Nederlandse bladmineerders Allium     Hering, 1957a Papaveraceae       Papaver     Nederlandse bladmineerders Papaver     Hering, 1957a Poaceae       Agrostis     Hering, 1957a Alopecurus     Hering, 1957a Apera     Hering, 1957a Arrhenatherum     Hering, 1957a Arrhenatherum elatius False Oat-grass Nederlandse bladmineerders Avena     Hering, 1957a Brachypodium     Hering, 1957a Briza     Hering, 1957a Bromus     Nederlandse bladmineerders Bromus     Hering, 1957a Calamagrostis     Hering, 1957a Dactylis     Hering, 1957a Desmazeria     Hering, 1957a Digitaria     Hering, 1957a Eleusine     Hering, 1957a Elymus     Nederlandse bladmineerders Elymus     Hering, 1957a Festuca     Hering, 1957a Gaudinia     Hering, 1957a Glyceria     Nederlandse bladmineerders Glyceria     Hering, 1957a Helictotrichon     Hering, 1957a Holcus     Nederlandse bladmineerders Holcus     Hering, 1957a Hordeum     Nederlandse bladmineerders Hordeum     Hering, 1957a Lagurus     Hering, 1957a Lolium     Hering, 1957a Panicum     Hering, 1957a Phalaris     Nederlandse bladmineerders Phalaris     Hering, 1957a Phleum     Nederlandse bladmineerders Phragmites     Hering, 1957a Phragmites australis   Nederlandse bladmineerders Secale     Hering, 1957a Setaria     Hering, 1957a Triticum     Hering, 1957a Scrophulariaceae       Veronica     Hering, 1957a Verbenaceae       Verbena     Hering, 1957a Time of year - mines: Unknown. Time of year - adults: Unknown. Distribution in Britain: Records include Warwick (Coombe, Kenilworth, Keresley and Tile Hill) (Robbins, 1991: 140). Cambridge, Dorset, Hunts, North-east York, Northampton, Notts, South Hants and West Cornwall (NBN Gateway distribution map - BRERC, DF, GiGL and NE). Also recorded in the Republic of Ireland (Zatwarnicki, 2004 in Fauna Europaea). Distribution elsewhere: Holarctic. Widespread in the Palaearctic including The Netherlands (Nederlandse bladmineerders), Belgium (Gosseries, 1991d), Andorra, Austria, Azores, Balaearic Is., Bulgaria, Canary Is., Corsica, Cyprus, Czech Republic, Denmark, Estonia, Faroe Is., Finland, French mainland, Greek mainland, Hungary, Iceland, Italian mainland, Lithuania, Macedonia, Madeira, Malta, Norwegian mainland, Poland, Romania, Russia - North and Northwest, Sardinia, Sicily, Slovakia, Spanish mainland, Sweden, Switzerland, The Netherlands and Yugoslavia (Zatwarnicki, 2004 in Fauna Europaea). Also recorded from Nearctic and Australasian Regions (Zatwarnicki, 2004 in Fauna Europaea). Parasitoids: Chrysocharis pallipes (Nees, 1834) Hymenoptera: Eulophidae Hemiptarsenus unguicellus (Zetterstedt, 1838) Hymenoptera: Eulophidae Pediobius epigonus (Walker, 1839) Hymenoptera: Eulophidae Cyrtogaster clavicornis Walker, 1833 Hymenoptera: Pteromalidae

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Last updated 30-Sep-2008  Brian Pitkin