This goddess takes away Echo's voice, and orders the hundred-eyed watchman Argos to guard a cow that she later torments with a stinging gadfly because it is her husband's lover Io.
For lying to this deity, Galanthis is turned into a weasel. Biton and Clobis pull a cart for 45 stadia to a festival dedicated to this deity, who rewards them by allowing them to die in their sleep. This goddess transforms Lamia into a child-eating demon and strikes Athamas with insanity, casing his wife Ino to leap in to the ocean. This goddess loses a contest over whether men or women (*) enjoy sex more. A cloud-like imitation of this goddess named Nephele is the target of Ixion's affections. This goddess takes away Echo's voice, and orders the hundred-eyed watchman Argos to guard a cow that she later torments with a stinging gadfly because it is her husband's lover Io. For 10 points, name this jealous wife of Zeus. 
For lying to this deity, Galanthis is turned into a weasel. Biton and Clobis pull a cart for 45 stadia to a festival dedicated to this deity, who rewards them by allowing them to die in their sleep.
Hera [or Juno]