Sphaeroderma japanum Baly, 1874

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

Sphaeroderma japanum Baly, 1874

Fig. 13 A – C

Host plant.

Commelinaceae : Commelina communis L.

Leaf mine.

Full-depth long linear mine on mature leaf (Fig. 13 B, C ). Frass is thread-like, deposited along the middle line of the mine. The fully grown larva exits the mined leaf, falls to the ground, and pupates underground.

Material examined.

• 5 adults, Maki-dô , Niimi, Okayama Pref., 22-VI-2020 (as larva on Commelina communis ), emerged on 16-III-2021 (Fig. 13 A – C ) .

Figures

Figure 13. Habitus of adults and leaf mines of monocot-associated Sphaeroderma species A – C S. japanum D – L S. tarsatum M – P S. seriatum. Host plants A – C Commelina communis at Makidô, Niimi, Okayama Pref. E – G Sasa nipponica at Akiu, Sendai, Miyagi Pref. H, I Sasa senanensis at Kamikôchi, Nagano Pref. J – L Stipa coreana var. japonica at Mt. Fuji, Shizuoka M – P Panicum bisulcatum at Yogo Lake, Shiga Pref. (M – O) and at Seryo, Kyôto Pref. (P).