Honeylocust Plant Bug
Attacks:
Honeylocust (Gledistia tricanthos) all varieties; Black Locust (Robinia pseudoacacia) all varieties
What you will see:
- Yellowish white spots “stippling” on leaves
- Large brown areas on leaf
- Leaf drop and/or deformation of the leaf
- Small black spots on bottom side of leaf
- Very active green nymphs in May
Life cycle:
- Eggs overwinter in twigs and branches
- Eggs hatch shortly after the buds open in the spring
- Nymphs feed for the next 3-4 weeks until they mature
- Adults mate and lay eggs which hatch the following spring
Cultural practices:
- Increase nectar sources for predators by planting flowering plants nearby
- Fertilize according to Arborist recommendation
- Mulch with POM® if recommended by Arborist
Chemical practices:
- Honeylocust plant bug is susceptible to both systemic and topical insecticides