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Database of Insects and their Food Plants

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Home of the Database of Insects and their Food Plants Family   Xyelidae Sub Family   Description   a family of sawflies Background to Family   Small sawflies that occur as larvae, often together, on the developing male cones of pines (Pinus). Infested cones may be distorted or shed their pollen prematurely. Fully grown larvae fall to the ground and pupate in the soil. Adults emerge in spring and may be found at the flowers of other tree species nearby, especially birch (Betula).     No. taxa in DBIF   2 No. interactions   5 % interactions with British data   80% No. records   5 % taxa with British data   100% Notes   Data currently unassessed by a specialist for changes in nomenclature, new species to the British list, new interactions, errors in original sources, and misspellings. Comment by Guy Knight, after brief inspection of data for Symphyta, Feb 2007: 'at least two-thirds of the species [need] some editing to the nomenclature or plant associations...there have been many taxonomic changes and additions to the fauna since the 1978 checklist'.; ; Notes on Sources   Most recent source   1979 Below is a list of all sources for this family / sub-family contained within DBIF. Click on source name for a list of all records for this source.   Source   Stadnitskiy, G.V. & Grebenshchikova, V.P.(1979) Ent. Obozr. 58 46-51:49 Source   Benson, R.B.(1951) Handbk Ident. Br. Insects VI:2A 1-49:9