species 1,228 observations
Cherubic Poplar Petiole-gall Aphid
Pemphigus obesinymphae
Field notes
Pemphigus obesinymphae is a species of gall-forming aphid. It creates galls on the leaves of Populus fremontii. The species is the only North American aphid known to have soldiers, first instar nymphs that defend the colony.
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8
native plants
support it in the US
support it in the US
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided