Induced-galls
Guides
Heteroecus pacificus
beaked spindle gall wasp
Heteroecus pacificus, commonly known as the beaked spindle gall wasp, is a species of cynipid gall wasp native to western North America. It induces distinctive galls on canyon live oak (Quercus chrysolepis) and huckleberry oak (Quercus vaccinifolia). The species exhibits a complex life cycle with two annual generations: one sexual generation producing males and females, and one parthenogenetic generation consisting solely of females.