Boana lanciformis (Cope 1871)

Males 57-65 mm, females 68-81 mm. The dorsum varies from dark yellow to light brown with transverse dark brown stripes. The snout is pointed with a white line along the lip and a dark brown stripe that extends from the tip of the snout to the tympanum. The belly is whitish. The tips of the first, second, and sometimes, third fingers are white. There are membranes between the fingers and toes, but they are very small.This is the only hylid species with a white stripe on the upper lip and white tips on the first and second fingers.

Occurs on the edge of the Reserva Florestal Adolpho Ducke in Brazil, and in clearings in disturbed areas, mainly near streams.

The species is arboreal and nocturnal. Males call from vegetation at the edges of streams, mainly near flooded areas. Reproduction occurs throughout the year. Clutches contain about 2,000-2,500 eggs.