Sphaerularia bombi Duf. is recorded for the first time as a parasite of bumblebee queens in Canada. The nematode was collected from the abdominal cavity of queens of Bombus terricola Kby. and B. ternarius Say from Saskatoon, Saskatchewan.Sphaerularia hastata, sp. nov., is described from the mountain pine beetle, Dendroctonns monticolae Hopk., the Douglas-fir beetle, D. pseudotsugae Hopk., and the cocoon of a hymenopterous parasite, Coeloides dendroctoni Cush., from Steamboat Mountain, British Columbia.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.