Hyla lactea Daudin, 1800 Hyla lactea Daudin, 1801 Rana aurantia Shaw, 1802 Hyla aurantiaca Daudin, 1802 Sphaenorhynchus eurhostus Rivero, 1969 Sphaenorhynchus lacteus, the Orinoco lime treefrog or greater hatchet-faced treefrog, is a species of frog in the family Hylidae.

[2][3] It is a widely distributed species found in the Orinoco and Amazon basins in Venezuela, the Guianas (Guyana, Suriname, French Guiana), Colombia, Brazil, Ecuador, Peru, and Bolivia.

[3][6] The dorsum is bright green with dark brown canthal stripe.

[6] Sphaenorhynchus lacteus is a semi-aquatic frog found in flooded plains, floating meadows, ponds, and large lagoons in forest clearings, at forest edges, and in savanna.

Males call from floating vegetation and emergent grasses at night.