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 ...

Adelges laricis
Vallot, 1836...
on Picea, primary host plant

GALL
The gall has has a creamy colour, 1-1.5 cm diameter, a globular shape and a waxy texture.

HOST PLANTS
... Picea abies, alcoquiana, glauca, glehnii, koraiensis, mariana, orientalis, pungens, sitchensis.