Pineus (Pineus) strobi (Hartig, 1837)

Diagnosis

Anholocyclic on Pinus strobus (see p. 31). Al. sexuparae lay eggs on of Picea mariana, but no sexuales are produced (Blackman & Eastop 1994).

A6 (A5) Abdomen (all morphs) with 5 pairs of evident spiracles (on abd. 2–6). Gall with separate chambers ...........................................................................................................................A7

A7 (A8) Wax glands of overwintering larvae with thin-walled facets secreting solid wax filaments; galls without protruding needles, hair or waxy bloom ......................................................... ....................................... Adelges ( Aphrastasia Börner, 1909 and Dreyfusia Börner, 1908)