Adelges (Gilletteella) cooleyi (Gillette, 1907)

Figs 15–16

Diagnosis

Fund. juv: dorsal sclerites with groups of 8–30 ring-like wax pores. Al. gallicola: 1.7–2.5 mm, wax glands on head and prothorax of al. gallicola with large distinct facets; rhinaria on ant. III–V transverse, slit-like. Gall 25–80 mm, spindle-shaped, needles from widened bases strongly protruding. Chambers separate with green, pink or red openings. Holocyclic and dioecious, alternating between Picea and Pseudotsuga (p. 28).

Recorded primary hosts

Pinaceae: Picea sitchensis (usually), engelmannii, glauca, jezoensis, mariana, pungens .

Distribution

D F N S.