Published online by Cambridge University Press: 31 May 2012
This note reports an extension in the known distribution of the species Ancistrocerus parietum (Linnaeus) in Canada, and a few observations on its nesting habits.
A. parietum is a European species that, according to Requaert (1943), was recently introduced into North America, it being first recorded from Ithaca, N.Y., in 1916. Bequaert suggested that the species was gradually extending its range in North America. He noted its occurrence in the northeastern United States, as far west as Michigan and as far south as Ohio and New Jersey. He noted two Canadian records (Montreal and Kamouraska County, Quebec).