Pemphigus populitransversus

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Pemphigus populitransversus
Galls on a poplar tree
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hemiptera
Suborder:	Sternorrhyncha
Family:	Aphididae
Genus:	Pemphigus
Species:	P. populitransversus
Binomial name
Pemphigus populitransversus (Riley, 1879)

Pemphigus populitransversus also known as poplar petiole gall aphid or cabbage root aphid.

Description[]

Insect[]

Adults are 1.6-2.6 mm in length. They lack cornicles on the abdomen and have relatively short antennae and legs compared to other aphid species.

Gall[]

Biology[]

The alternate hosts are in the Brassica family^[1]

References[]