Sphaeroderma japanum Baly 1874

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).