Mindarus obliquus (Cholodkovsky, 1896)
on Picea
gall
Between the needles of young shoots pale green aphids in white fluffy wax, resembling those of Mindarus abietinus. Contrary to that species, no malformation of the needles does occur.
host plants
Pinaceae, monophagous
Picea engelmannii, glauca, mariana, omorika, rubens, sitchensis.
Not on the common Picea abies.
references
Albrecht (2017a), Blackman & Eastop (2014), Börner & Heinze (1957a), Eklo & Hofsvang (2008a), Heie (1980a), Krzywiec (1982a), Rskamn (2007a), Wojciechowski, Depa, Halgoš ao (2016a).