From the pictures it looks like you have Pine needle scale. There are parts of the of grand count y that we have seen a infestation in needle scale. I have attache a fact Sheet that give some information on the insect and then also some treatment options. If you have any other questions feel free to call my office in Grand County at<personal data hidden>.

http://extension.colostate.edu/topic-areas/insects/scale-insects-affecting-conifers-5-514/

Thanks
Travis Hoesli
Extension agent and County Director for Grand County