Fig. 4 in Trunk injection of systemic insecticides to control stem and leaf gall wasps, Josephiella species (Hymenoptera: Agaonidae), on Chinese banyan (Rosales: Moraceae) in Hawaii

Fig. 4. Mean leaf gall infestation level on new shoots associated with chemical treatments and untreated control (1–5, where 1 = no infestation and 5 = severe infestation), where * indicates P ≤ 0.05 and ** indicates P ≤ 0.01 within each sampling month (Kruskal–Wallis test).