Sacchiphantes viridis (Ratzeburg, 1843)
on Picea, primary host plant
Picea abies, Belgium, prov. Luxembourg, Arlon, 4.vi.2018 © Stéphane Claerebout
yawning gall
gall chamber with larvae
larva
Picea abies, Germany, Bavaria, Schwangau © Arnold Grosscurt, late June
Picea abies, Austria, Gargellen, Montafon © Arnold Grosscurt: in this species the shoot generally does not continue after the terminal bud had been galled.
gall
Gall like the ones of S. abietis, but generally solitary.
host plants
Pinaceae, monophagous
Picea abies, engelmannii, glauca, koraiensis, mariana, obovata, omorika, orientalis, pungens, sitchensis, smithiana.
on Larix, secondary host plant
gall
The needles are sharply bent, locally thickened a yellowed. The aphids on the needles, pale to dark green, with little wax, only a light dusting. Not attended by ants.
host plants
Pinaceae, monophagous
Larix decidua, x eurolepis, kaempferi, sibirica
synonyms
Adelges viridis.
inquilines
notes
Apart from its host alternation, the main difference with the related S abietis is that the galls of viridis ripen in June, July, those of abietis in August, September.
references
Albrecht (2017a), Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Bellmann (2012a), Buhr (196ra), Burton, Ellis & Schneider (2022a), Carter (197a), Covassi & Binazzi (1981a), Dauphin & Aniotsbehere (1997a), Hellrigl (2004a), Kollár (2007a, 2011a), Lambinon, Carbonnelle & Claerebout (2015a), Lampel (1988a), Lampel & Meier (2003a), Müller & Horatschek (1980a), Osiadacz & Wojciechowski (2008a), Redfern & Shirley (2009a), Ripka, Reider & Szalay-Marzsó (1998a), Roskam (2009a), Steffan (1962a), Sylvén (1960a), Tomasi (2003a), Weis (1955a), Wojciechowski, Depa, Halgoš ao (2016a).