Insects Collected in the Dundas Marsh, Hamilton, Ontario, 1946-47, with Observations on Their Periods of Emergence

Abstract

During the summer of 1947 n project was initiated with the object of determining the earliest and latest dates of appearance and the period of appearance of maximum numbers of the various species of insects which emerge as adults from the Dundas Marsh, Hamilton, Ontario. Previous to this, during the summer of 1946, observations were made on the occurrence of various insects on the marsh. Such observations were continued during 1947 and are reported herewith.