Abstract
During my recent studies on the lepidopterous miners in the needles of various conifers, I have found several undescribed species. One of them occurs near Ottawa, Ontario, and in Nova Scotia. It was also found in Quebec by Dr. J. M. McLeod and Mr. J. A. R. Ducharme, Forest Research Laboratory, Sillery, Quebec. I describe this species here, to enable those officers to report on the immature stages and life history in a companion paper that follows.

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