Adelges lariciatus Patch
Host-alternating between Picea spp. (abies, glauca, mariana, pungens) and Larix spp. (laricina, lyalli) in North America (Alberta, Manitoba, Saskatchewan, Utah). Galls are globular, often sub-terminal and to one side of shoot, green when young to red and brown when mature.

[Part of] a taxonomically very difficult complex of adelgids [Adelges laricis complex] which [alternate] between Picea and Larix, or have an incomplete cycle restricted to either the primary or the secondary host. Galls of laricis sensu stricto on Picea are typical of the group; they are globular or ovate, with a cream or ivory coloration and waxy texture, becoming pink or brown just prior to opening. They may be terminal, or have some growth of the shoot beyond the gall ...

- Blackman, Roger & Victor Eastop: (2022) AphidsonWorldsPlants.info^©

Reference: http://www.aphidsonworldsplants.info/d_APHIDS_A.htm#Adelges