Dactylispa issikii Chûjô, 1938

Kato, Makoto & Imada, Yume, 2025, Diversity and host plant utilization of leaf-mining beetles of Chrysomeloidea (Coleoptera) in Japan, ZooKeys 1238, pp. 209-268 : 209-268

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 ;

Figures

Figure 19. Adult morphology and leaf mines of three Hispini species A – H Dactylispa issikii I – P Rhadinosa nigrocyanea Q – W Platypria melli A, I, Q dorsal B, J, R ventral C, K, S lateral D, L, T frontal views of adults E, M, U exuviae F, G, N – P, V, W leaf mines. Host plants G, H Pleioblastus chino at Tsuge, Kuma, Kumamoto Pref. B – O Miscanthus tinctorius at Hatabe, Kumamoto Pref. P Miscanthus tinctorius at Fukube-dani, Hakusan, Ishikawa Pref. V, W Hovenia dulcis at Kin, Tsushima Is., Nagasaki Pref.