Contents

161 Editorial

162 Jeff Lunn The mammalian diet of Barn Owls at a lowland wet grassland in Yorkshire*

165 D. W. Yalden The Crab and the Deer*

168 Derek Parkinson Further recruitment of parasitoids by the Horse-chestnut Leaf-miner

169 Derek Parkinson Encounters with Chalcidoidea during 2012

170 C.A. Howes Broad-leaved Helleborine Epipactis helleborine at Doncaster’s Lakeside Park

174 Alan Braddock Fungi in the Horbury area of Yorkshire 1888 to 2011

180 Alan Brooke Bretheren in the temple of science - natural history across the class divide, Huddersfield, c1848-1865

201 C.A. Howes Notes on the spiders of Blacktoft Sands (VC63): Seasonality, biomass and prey of reedbed passerines

207 Barry Nattress Some further records of feather mites (Acari: Astigmata) in Yorkshire

212 Michael E. Archer Recorder’s report for the Aculeate Hymenoptera for 2010, 2011 and 2012

214 Obituary Joan Elizabeth Duncan

218 Paula Lightfoot Yorkshire Naturalists’ Union receives OPAL funding for online recording

219 M. Jill Lucas From pear trees to pipers

224 J Kilner Report from Wyke Beck

225 Albert Henderson and Adrian Norris Yorkshire Naturalist’s Union Excursions in 2012

240 YNU Calendar 2013

222 Book review Big Cats - facing Britain's wild predators by Rick Minter

213, 217 Letters to the Editors: D.E.Whittaker, C.A.Howes