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Published online by Cambridge University Press: 31 May 2012
While collecting in the vicinity of Niagara Falls, Ont., last summer, a new species of Empis was secured and a description is offered below. The species was quite common there during the latter part of June and specimens were found frequenting shady nooks in the rich moist woods of Niagara Glen.
* —Contribution from the Division of Systematic Entomology, Entomological Branch, Dept. of Agric., Ottawa, Ont.