Sphaeroderma separatum Baly 1874

Sphaeroderma separatum Baly, 1874 Fig. 14 R – V Host plant. Ranunculaceae: Clematis japonica. Takizawa (2021) lists up three host plants: C. apiifolia DC., C. pierotti Miq. and Chelidonium majus L. (Papaveraceae). Leaf mine. Full-depth radiate mine along leaf vein on mature leaf (Fig. 14 T – V). Frass is liquefied, deposited near the center of the mine. Material examined. • 2 adults copulating on a leaf of Clematis japonica at Shirakawa-gô, Shirakawa, Ôno-gun, Gifu Pref., 12-VIII-2024 (Fig. 14 R, S), and many leaf mines on the plant species at the same locality 29-IX-2023 (Fig. 14 T – V).