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Genus Pemphigus

Representative Images

Inside a Poplar Petiole Gall - Pemphigus obesinymphae Pemphigus gall? - Pemphigus populicaulis Pemphigus populicaulis? - Pemphigus populicaulis Pemphigus populicaulis? - Pemphigus populicaulis Pemphigus populicaulis? - Pemphigus Aphididae, gall on Cottonwood, other side - Pemphigus P. populiramulorum - Pemphigus populiramulorum Poplar petiole gall aphid? - Pemphigus populitransversus

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Sternorrhyncha (Plant-parasitic Hemipterans)
Superfamily Aphidoidea
Family Aphididae (Aphids)
Subfamily Eriosomatinae (Woolly Aphids and Gall-making Aphids)
Tribe Pemphigini
Genus Pemphigus

Other Common Names

Petiole gall aphids, Poplar gall aphids

Explanation of Names

Pemphigus Hartig, 1839

Life Cycle

Complex life cycle. Needs two sets of hosts. Herbaceous hosts in summer. Alder, poplar and other Populus species in winter.

Remarks

Known for their leaf stem galls on poplar.(1)

Works Cited

1.Plant Galls and Gall Makers
Ephraim Porter Felt. 1940. Comstock Publishing Company, Inc., Ithaca NY.