Garden Pests and Diseases: what are these please?, 0 by trackinsand

trackinsand wrote:
this was on the underside of a Knockout Rose leaf. each one is about the size of a half grain of rice and they look like they are nose to tail in a row. i cut the leaf off and put it in a bucket and they never moved all day. after i took the picture, i threw them in the trash. i guess i should have investigated more, but they creeped me out just looking at them/it whatever it is! thanks in advance, debi