S. menglaensis may refer to:Salacia menglaensis, a plant in the Celastraceae family Sarcocystis menglaensis, a protozoan parasite in the Sarcocystidae family Schefflera menglaensis, a plant in the Araliaceae family Semnostachya menglaensis, a synonym for Strobilanthes tonkinensis, a plant in the Acanthaceae family Seriana menglaensis, a leafhopper in the Cicadellidae family Sinthusa menglaensis, a butterfly in the Lycaenidae family Sphingonotus menglaensis, a species of grasshopper in the Acrididae family Sylvirana menglaensis, a synonym for Sylvirana nigrovittata, a species of frog in the Ranidae family Synanthedon menglaensis, a butterfly in the Sesiidae family