Baetiella (Baetiella) baei sp. nov., larval morphology (SEM) A tergite III B tergites V–VII C tergite VII D posterior margin of tergite VII E sternites VI–IX F sternite VI G sternite VII H posterior margin of sternites VII I paraproct. Scale bars: 10 µm (A, C, H); 100 µm (B); 3 µm (D); 100 (E); 20 µm (F, G, I).