June and early July are peak bug season in the northeast. This has been a record setting wet spring in Vermont. Lake Champlain is at an all time record high level right now with corresponding floods in the valley, and many other lakes in the northeast are in a similar state. Usually wet springs equal big bug years. Come prepared for lots of bugs. Bring light colors (bugs like dark colors), loose fitting long pants and long sleeve, light weight shirts, hat and bug dope (deet or your best guess at what works). Some people go as far as wear (bug) head nets. That said, this does not have to ruin your outdoor plans. Just come with a good attitude towards tolerating their presence. In general I find them to be much worse in the Adirondacks then in the Whites. I think that is because their is allot more swamp lands and Lakes in the Adirondacks then the White mountain high peak area. Katahdin may be worse then the whites due to more swamps, bogs and lakes near the mountain then near the presidential range, but I do not know for sure. Also, bugs tend to disappear on windy days. Even in peak season. So weather has allot to do with it as well. So in summary, expect them and bring clothing for bugs and bug dope, but go ahead with your plans just the same. Some days they may be a non issue. Come with a sense of humor.