Salix babylonica grown weeping willow cultivar is "Salix × sepulcralis" 'Chrysocoma', with bright yellowish branchlets. Peking willow is a popular ornamental tree in northern China, and is also grown for wood production and shelterbelts there, being particularly important around the oases of the Gobi Desert, protecting agricultural land from desert winds. The epithet "babylonica" in this Chinese species' scientific name "(S. babylonica)," as well as the related common names "Babylon willow" or "Babylon weeping willow", derive from a misunderstanding by Linnaeus that this willow was the tree described in the "Bible" in the opening of Psalm 137 (here in Latin and English
Stigmella salicis a blotch, or if highly contorted with 'S' bends, a false blotch. The larvae feed on "Myrica gale", "Salix alba", "Salix atrocinerea", "Salix aurita", "Salix babylonica", "Salix caprea", "Salix cinerea", "Salix daphnoides", "Salix fragilis", "Salix lanata", "Salix pentandra", "Salix purpurea", "Salix repens", "Salix silesiaca", "Salix triandra" and "Salix viminalis". Mines on the narrow-leaved willows can be difficult to distinguish from those of "S. obliquella". The pupa is in a yellowish-brown cocoon spun in detritus and can be found in July and August, and from November through to April. "S. salicis" is found in Europe (except Iceland and Greece). Stigmella salicis