Sap is the sticky substance you see oozing out of tree trunks, and many varieties are edible. Here's what to know about eating sap, plus the risks and benefits.
Journal of Tropical Ecology, Vol. 29, No. 6 (NOVEMBER 2013), pp. 467-476 (10 pages) We documented one of the most species-rich assemblages of tropical rain-forest Auchenorrhyncha, comprising 402 ...