Diet of Enyalius catenatus (Wied, 1821) (Leiosauridae) from RPPN Serra Bonita, an Atlantic Forest area in southern Bahia, Brazil

Débora Rocha Cruz, Iuri Ribeiro Dias, Tadeu Teixeira Medeiros, Mirco Solé

Abstract


Lizards of the genus Enyalius are restricted to forest areas and distributed through eastern South America, but little is known about their ecology. The aim of this study was to analyze the diet of Enyalius catenatus (Wied, 1821) in RPPN Serra Bonita, located in the municipalities of Camacan and Pau-Brasil, in the state of Bahia. The specimens were found through active search and using pitfall traps. Individuals were measured and underwent a stomach flushing procedure to retrieve stomach contents. Prey was identified to the lowest taxonomical level. The most numerous items retrieved from the stomachs were: Isoptera, Hymenoptera (Formicidae) and Lepidoptera larvae. Items that showed higher relative frequencies of occurrence were, respectively, Lepidoptera larvae, Isopoda and Araneae. Volumetrically, Lepidoptera larvae, Orthoptera and Isoptera reached the highest values. The Index of Relative Importance (IRI) revealed Lepidoptera larvae as the most important food item.


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