. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 83 THE REPORT OF THE No. 36 distal end of the egg-tunnel; the pupae in the ends of larval tunnels arising nearer the entrance hole; the light-coloured adults in tunnels arising still nearer the entrance hole; and, lastly, the darker adults in tunnels coming from the proximal end of the egg-tunnel. On the same day, August 6th, this species was found in large numbers start- ing tunnels in a felled larch which lay near the stumps just referred to, but shaded by standing trees. A few felled larches lay
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