Published online by Cambridge University Press: 31 May 2012
The first record of the occurrence in Canada of the pear fruit sawfly, Hoplocampa brevis (Klug), was made on 2 June 1964 when several larvae were collected in pear fruits near Queenston, Ontario, about one mile west of the Niagara River. The identity of the species was confirmed 26 May 1965 by Dr. H. E. Milliron, Taxonomic Section, Entomology Research Institute, Canada Department of Agriculture, Ottawa, from three adult sawflies taken in pear orchards 12–19 May 1965 and one adult that emerged in a cage 17 May 1965 from an overwintered larva.