Baetiella (Baetiella) lannaensis sp. nov., larval morphology (SEM) A tergites B tergite V C tergite VIII D posterior margin of tergite V E sternites F sternite VII G sternite VIII H sternite IX I paraproct. Scale bars: 200 µm (A); 30 µm (B); 20 µm (C, F, I); 10 µm (D, G, H); 100 µm (E).