This seems promising info from a Res' of Inuvik > Blargh_Bah  Inuvik, Ca >

"Depends where in NWT you are going. In Tuktoyaktuk, on the Arctic coast, there is no black fly season,

just lots of mosquitoes. Mosquito season usually ends early August."

On 13 Nov , 2017, at 11:25 AM, Alistair Bell wrote:

> Yes, it�s on my list of dream trips in the van. Mosquito netting on van to be in good shape :-)
> 
> Alistair
> 
>> On Nov 13, 2017, at 10:21 AM, OlRivrRat <OlRivrRat@COMCAST.NET> wrote:
>> 
>>       Day after tomorrow We'll be able to Drive Our Vanagons to Tuktoyaktuk ~
>> 
>> http://ith.dot.gov.nt.ca/