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Insects › Aphids

Poplar Petiole Gall Aphid

Pemphigus populitransversus

1,256 observations in the source records

Wildlife study photograph from iNaturalist.
(c) two0headedboy_, some rights reserved (CC BY-NC)

28 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

Photos you add are credited to you, and you keep the copyright.

What the records say

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Ontario.January 4, February 4, March 7, April 13, May 25, June 12, July 9, August 8, September 8, October 7, November 4, December 4.
United States404
Canada123
Ontario105
New York70
Ohio37
Michigan36
New Jersey30
Kansas28
Illinois25
Texas21

Counts show where people looked, not only where it lives.

Traits

Physical

  • ExoskeletonHas a hard external skeletonFrom its classification

Classification

KingdomAnimals · Animalia
PhylumArthropods · Arthropoda
ClassInsects · Insecta
OrderTrue Bugs, Hoppers, Aphids, and allies · Hemiptera
FamilyAphids · Aphididae
GenusPoplar Leaf-stem Gall Aphids · Pemphigus

Sources

Remember the name next time.

Practise Poplar Petiole Gall Aphid with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.