Psyllids
Pachypsylla spp.
Small jumping insects with piercing-sucking mouthparts that feed on plant juices. Includes both gall-making species (like hackberry nipple gall maker) and non-gall-making species. Adults resemble tiny cicadas with jumping hind legs.
Identification & Symptoms
What to Look For
Potential Damage
Lifecycle
Gall-makers overwinter as adults in bark crevices. One generation per year with mating when new leaves unfold. Eggs hatch in 7-10 days, nymphs feed and create galls. Non-gall-makers overwinter as nymphs on twigs, develop on expanding leaves with adults appearing in late spring.
Professional Treatment Approach
Systemic insecticides during active feeding periods
Horticultural oils to control nymphs
Remove heavily infested plant material
Natural predators for biological control
Time treatments with egg hatch periods
Recommended Mauget Products
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