Detective Inspector Scott Anderson said police are not seeking anyone else in relation to the murder.
"I'd like to thank the community in and around Grove Road for their assistance in helping the investigation team achieve this result in such a relatively short period.
It will hopefully give some relief to Juliana's loved ones, particularly her family back in Colombia, at this sad time," he said.
A 3D designer who moved to New Zealand from Colombia more than a decade ago, Bonilla Herrera reportedly worried friends when she failed to show up for a planned hiking trip on the weekend.