Lerps provide the nymphs below with protection from contact pesticides. Although the younger nymphs can move about somewhat, the older, larger nymphs are stationary. Unlike many insect pests, e.g., moths, butterflies beetles, etc. The immature resemble the adults, but lack wings. Their wings are clear and held roof like over their bodies.
Females favor succulent leaves and young shoots for egg laying.
Leaf flush is often accompanied by an increase in the psyllid population. Two to four generations a year are expected in California. Development time from egg to adult varies from several weeks during warm weather to several months during prolonged cool temperatures. In mild coastal areas, all stages can be present throughout the year. Psyllids feed by sucking plant juices.