Leaf mines of Micrurapteryx baranchikovi on Thermopsis lanceolata, the Black Lake field station of SIF SB RAS, Khakassia, Russia A upper side blotch mines covering significant part of the leaflets B early mines (long narrow tunnels on the lower side of the leaf, the individual mines are indicated by arrows) C upper side branched blotch mine D multiple upper side branched mines in translucent light E, F damaged plants (with large whitish blotch mines on the leaves).