The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.
Range & Status
Diptera: Cecidomyiidae; uncommon or rare.
VC1: SW61 Lizard National Nature Reserve and South of Kynance in 1981, SW61
Predannack Wollas in 1988, SW71 West of Gwendreath in 1981. VC2: SX46 Landulph in 1930.
Habitat & Ecology
Associated species: Dropwort Filipendula vulgaris . Gall causes flower bud to be swollen, reddened but not hairy, with red larva in summer. Host plant is found mainly on The Lizard with a few other sites scattered throughout Cornwall.
One site is a National Nature Reserve, two sites are on National Trust land.
I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.
The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.