Dactylispa issikii Chujo 1938

Dactylispa issikii Chûjô, 1938 Fig. 19 A – H Host plant. Poaceae: Pleioblastus chino var. viridis (Makino), P. simonii (Carrière). Leaf mine. White full-depth linear-blotch mine on mature leaf, usually situated around the leaf tip (Fig. 19 F, G). Frass is granular, deposited linearly along either side of the mine, or discharged outside from a slit made along mine margin. The mine contains one or a few larvae, and the fully grown larva pupates in the mine. Material examined. • 8 adults, Tsuge, Ashikita, Ashikita-gun, Kumamoto Pref., 16-VII-2018 (as larva on Pleioblastus chino var. viridis), emerged on 20-VII – 6-VIII-2018 (Fig. 19 A – H); • 1 adult, Kyoto University, Yoshida, Sakyo, Kyoto Pref., 11-X-2015 (as larva on P. chino var. viridis), emerged on 15-XI-2015; • 6 adults, Fushimi-inari, Fushimi-ku, Kyoto Pref., 12-VII-2019 (as larva on P. chino var. viridis), emerged on 16–30-VII-2019; • 5 adults, Inohae, Nichinan, Miyazaki Pref., 14-VII-2021 (as larva on P. simonii), emerged on 19-VII – 8-VIII-2021;