Sacchiphantes viridis (Ratzeburg, 1843)

on Picea, primary host plant

Sacchiphantes viridis: gall on Picea abies

Picea abies, Belgium, prov. Luxembourg, Arlon, 4.vi.2018 © Stéphane Claerebout

Sacchiphantes viridis: gall on Picea abies

yawning gall

Sacchiphantes viridis: opened gall on Picea abies

gall chamber with larvae

Sacchiphantes viridis larva

larva

Sacchiphantes viridis: gall  on Picea abies

Picea abies, Germany, Bavaria, Schwangau © Arnold Grosscurt, late June

Sachiphantes viridis: old galls on Picea ables

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.

hostplants

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.

hostplants

Pinaceae, monophagous

Larix decidua, x eurolepis, kaempferi, sibirica

synonyms

Adelges viridis.

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), 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).

mod 9.vi.2018