There are many generations of this aphid throughout the year in Hawaii. In temperate regions this aphid over winters as eggs. The shiny black eggs are often laid on the bark of fruit trees. Females do not lay eggs in Hawaii. Nymphs This insect has four nymphal stages separated by molts.
Nymphs resemble adults except for their smaller size.
They do not have wings. Adults Adult melon aphids are soft bodied insects. Color varies from yellowish green, to brownish green, to almost black. Adults are smaller and paler in high temperatures. Adult females produce 8-22 young per day.