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Photo#1584921
aphid on Tulip Poplar leaf - Illinoia liriodendri

aphid on Tulip Poplar leaf - Illinoia liriodendri
Webster Village, Harford County, Maryland, USA
September 1, 2018
Size: 2 mm
This was the largest of 18 aphids that I found on the underside of a leaf from a young Tulip Poplar (Liriodendron tulipifera) leaf. 2 mm is body length from head to cauda. Perhaps Illinoia liriodendra?

Images of this individual: tag all
aphid on Tulip Poplar leaf - Illinoia liriodendri aphid on Tulip Poplar leaf - Illinoia liriodendri aphid on Tulip Poplar leaf - Illinoia liriodendri

Moved
Moved from Aphids.

Most likely!
It is definitely Illinoia, but these specimens seem to have darker legs than the images I can find of I. liriodendri. Might just be a variation in the species though. Of the species listed for that host plant it definitely isn't any of the other options:

http://www.aphidsonworldsplants.info/C_HOSTS_Lin_Lyt.htm#Liriodendron

Compare: http://influentialpoints.com/Gallery/Illinoia_liriodendri_Tulip-tree_aphid.htm

Moved
Moved from ID Request.

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