Carbon Isotopic Evidence for Seasonal Change in Feeding Habits of Camponotus planatus Roger (Formicidae)in Yucatán, México - Biotropica, 23(1), p.93-95, 1991 . Subjects--Topical Terms: CARBON ISOTOPIC EVIDENCESEASONAL CHANGEFEEDING HABITSCAMPONOTUS PLANATUSYUCATÁN, MÉXICO