Life cycle
Some success has been achieved in China (Wei and Kuang, 2002) by forcing fungal mud' containing spores of Beauveria bassiana into the larval tunmels, leading to over mortality within 20 d. A similar treatment was used for the control of Xvlotrechus quadripes, with equal success. Lan and Wintgens (2004) recommend swabbing the bark with 0.1% solution of dichlorvos 80 EC at oviposition time to prevent larvae from penetrating the stem