Illustrated identification guide to the Nordic aphids feeding on Conifers (Pinophyta) (Insecta, Hemiptera, Sternorhyncha, Aphidomorpha) Albrecht, Anders Christian European Journal of Taxonomy 2017 2017-07-24 338 1 160 9XKM (Ratzeburg, 1843) Ratzeburg 1843 [502,1085,385,412] Insecta Adelgidae Adelges GBIF Animalia Hemiptera 11 12 Arthropoda species viridis Sacciphantes   Figs 22–23    Diagnosis Overwintering first instar fundatrix dark green; dorsal sclerites with groups of 2–7 ring-like wax pores; prothoracic pleurospinal sclerites almost square. Al. gallicola about 2 mm, dark olive to blackish with thin greyish wax dusting and transverse white wax markings; abdomen greenish or olive brown; wax wool production weak. Wax glands on head and prothorax absent or indistinct, without clear facets; rhinaria on ant. III–V oval to circular. Eggs green. Galls solitary, otherwise as in  A. abietis. Holocyclic and dioecious, alternating between  Piceaand  Larix.    Recorded primary hosts  Pinaceae:  Picea abies*,  engelmannii,  glauca*,  koraiensis,  omorika,  orientalis,  pungens,  sitchensis, spp.    Distribution F.  A11 (A4) Siphunculi present; adults without sclerotised ovipositor. Apterae rarely less than 1.2 mm; antennae at least 4-segmented .....................  AphididaeLatreille, 1802A12