Adelges (Sacciphantes) viridis (Ratzeburg, 1843)

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 Picea and 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 ..................... Aphididae Latreille, 1802 A12