Plant bugs also feed on new growth and compete with podgall midge. Late season buildup of spider mites is common on honeylocust. Water sprays, insecticidal soaps and certain miticides can limit this injury. Several Insects and mites feed on honeylocust trees in Colorado. Their feeding can cause conspicuous injuries that may make the trees unattractive.
Heavy infestations can reduce tree growth rate and vigor and cause some twig dieback.
However, it is extremely rare that these injuries alone permanently injure the trees. Adult honeylocust plant bug. Honeylocust plant bugs commonly infest honeylocust in late spring. This common damaging species of plant bug is generally green. When immature, it superficially resembles an aphid but is much more active.