Kleptopharmacophagy: Milkweed butterflies scratch and imbibe from Apocynaceae-feeding caterpillars Tea, Yi-Kai ; Soong, Jonathan Wei ; Beaver, Ethan P. ; Lohman, David J. Abstract Publication: Ecology Pub Date: December 2021 DOI: 10.1002/ecy.3532 Bibcode: 2021Ecol..102E3532T