Sixty-four were caught in the Kruger National Park, spokeswoman Eleanor Momberg said. The most arrests, 33, were made in April.
At the end of 2012, 267 arrests were recorded, 73 of them in the Kruger National Park.
Since the start of the year, 536 rhino had been killed for their horns, with the park remaining the main target.
"A total of 334 rhino have been poached in the Kruger National Park in the past seven months..., 56 rhino have been poached in Limpopo."....