ID Tool

Host Plant Species:

Populus deltoides

Host Plant Genus / Section:

Plant Part(s):

Showing 15 species:

Aceria neoessigi

Mordwilkoja vagabunda

Pachypappa pseudobyrsa

Pemphigus longicornis

Pemphigus nortonii

Pemphigus obesinymphae

Pemphigus populicaulis

Pemphigus populiramulorum

Pemphigus populitransversus

Pemphigus tartareus

A yellow/green gall found on the petiole/leaf midrib in Summer. Integral to host.

Phoradendron macrophyllum

Phyllocolpa robusta

A green, hairless structure found on the leaf edge in Spring. Integral to host.

Non-gall

Prodiplosis morrisi

Taphrina populina

Thecabius populiconduplifolius

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.