Nymphs of the pineapple gall adelgid form galls at the base of twigs which resemble miniature pineapples and those of the Cooley's spruce gall adelgid cause cone-shaped galls at the tips of branches.
gall | Saint Gall | James Gall | In-Gall | France Gall | Franz Joseph Gall | Bruce Gall | Gall | Gregor Gall | Gall (Native American leader) | Frank Le Gall | St. Gall's Academy | pineapple gall adelgid | Lothar Gall | Hemlock woolly adelgid | Gall–Peters projection | Gall adelgid | Cooley's spruce gall adelgid | Carlotta Gall | Brendan Gall | Balsam woolly adelgid |