Price, Peter W Some consequences for a parasitic herbivore, the milkweed longhorn beetle, Tetraopes tetrophthalmus, of a host-plant shift from Asdepias syriaca to A. verticillata. [electronic resource] - Oecologia Dec 1976 - 331-340 p. digital Publication Type: Journal Article ISSN: 1432-1939 Standard No.: 10.1007/BF00345606 doi