ID Tool

Host Plant Species:

Populus tristis

Host Plant Genus / Section:

Plant Part(s):

Showing 12 species:

Aceria parapopuli

Dasineura p-trichocarpa-big-bud-gall

Undescribed

Harmandiola p-tristis-leaf-spot

Undescribed

Pemphigus betae

Pemphigus monophagus

Pemphigus p-fremontii-midrib-gall

A globular, yellow/green, hairless gall found on the lower leaf/leaf midrib in Spring/Summer. Integral to host.

Undescribed

Pemphigus populicaulis

Pemphigus populiglobuli

Pemphigus populiramulorum

Pemphigus spyrothecae

Saperda populnea

Thecabius populimonilis

If none of these results match your gall, you may have found an undescribed species. However, before concluding that your gall is not in the database, try altering your filter choices.