Fig. 6From: Sustainable nano-pesticide platform based on Pyrethrins II for prevention and control Monochamus alternatusThe SEM images of larval epidermis (A1–A3), the SEM images of larval epidermis treated by PthII@HKUST-1 for 1 h (B1–B3), 2 h (C1–C3), 3 h (D1–D3), 4 h (E1–E3), and 5 h (F1–F3)Back to article page