Sooty mold blackens the leaf and decreases photosynthesis. Aphids vector many plant diseases which cause substantially greater losses than caused by direct feeding injury. This is often the most damaging feature of an aphid infestation. In warm climates like Hawaii, aphid colonies consist completely of females. Reproduction does not involve mating or egg laying.
Females give birth to live female nymphs.
In temperate climates, aphids reproduce as above during the warmer periods of the year. In the fall, the reproduction changes. Mating occurs and females lay eggs. There are many generations of this aphid throughout the year in Hawaii. EGGS Eggs are not produced in Hawaii.