Cavariella konoi is a species of aphid in the family Aphididae. It is a small, soft-bodied insect growing to about 2.5 mm (0.1 in) long. The body is oval, pale yellowish green, sometimes with a pair of darker green, longitudinal bands. Wingless females are found on the leaves of willow Salix spp. during the summer where they reproduce parthogenetically and form large populations. It also feeds on the perennial plant great angelica (Angelica atropurpurea). This species has a holarctic distribution.