[1] Mature Uroleucon rudbeckiae are shiny, bright red with yellowish legs and black antennae.

The siphunculi are less than 1.6 times as long as the cauda, with reticulation of small polygonal cells on at least the distal quarter of their length.

The body length of adult Uroleucon rudbeckiae is anywhere between 2.4 to 3.2mm.

[2] Uroleucon rudbeckiae can be found within both the United States and Canada.

In Canada it could be found in the Canadian Province of British Columbia.