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
Lepidoptera: Momphidae; uncommon.
VC1: SW83 1957, SW75 1984, SW62 1996; VC2: SX05 1973, 1990.
Habitat & Ecology
Associated species: Broad-leaved Willowherb Epilobium montanum and other Epilobium spp. Rounded or spindle-shaped swelling (6-8 mm.) in main stem, thickest at a node, containing a pale green caterpillar with dark head.
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.