Biology of Phyllocnistis verae on Cornus alba in Russia (type locality: Krasnoyarsk, village Borovoe, left bank of Yenisei River, 144 m). A habitat B branch with mined leaves on the lower side C mine with feeding larva D fragment of mine with young larva (transmitted light) E same, incident light F line of frass and feeding larva (transmitted light) G opened mine H sap-feeding larvae, dorsal view I, J pupation near leaf margin K, L pupa. Arrows show mines (B, C), larva (D, E, F, G), frass (G, F), pupation site (I–K). Scale bars: 3 mm (D, E), 5 mm (F, G), 1 mm (H, L), 2 mm (J, K).